Scientific phenomena named after people

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Scientific phenomena named after people" – news · newspapers · books · scholar · JSTOR (September 2016) (Learn how and when to remove this message)

This is a list of scientific phenomena and concepts named after people (eponymous phenomena). For other lists of eponyms, see eponym.

• Abderhalden–Fauser reaction – Emil Abderhalden and August Fauser (1856–1938)
• Abney effect – William de Wiveleslie Abney
• Abrikosov lattice – Alexei Alexeyevich Abrikosov
• Aharonov–Bohm effect – Yakir Aharonov and David Bohm
• Alfvén wave – Hannes Olof Gösta Alfvén
• Alhazen's problem – Alhazen
• Allais effect – Maurice Allais
• Allee effect – Warder Clyde Allee
• Amdahl's law, a.k.a. Amdahl's argument – Gene Amdahl
• Ampère's law – André-Marie Ampère
• Anderson–Higgs mechanism (a.k.a. Higgs mechanism) – Peter Higgs and Philip Warren Anderson
• Anderson–Darling test – Theodore Wilbur Anderson and Donald A. Darling
• Andreev reflection – Alexander F. Andreev
• Apgar score – Virginia Apgar
• Arago spot – Dominique François Jean Arago
• Michaelis–Arbuzov reaction – Aleksandr Erminingeldovich Arbuzov and August Karl Arnold Michaelis
• Archimedean spiral, Archimedes number – Archimedes
• Argand diagram – Jean Robert Argand
• Aristotle's lantern – Aristotle
• Armstrong limit or Armstrong's line – Harry George Armstrong
• Armstrong oscillator – Edwin Armstrong
• Arndt–Eistert synthesis – Fritz Arndt and Bernd Eistert
• Arndt–Schulz law/principle/rule – Rudolf Arndt and Hugo Paul Friedrich Schulz
• Arrhenius equation – Svante August Arrhenius
• Ashkin–Teller model (a.k.a. Potts model) – Julius Ashkin and Edward Teller
• Asinger reaction – Friedrich Asinger
• Auger effect (a.k.a. Auger-Meitner effect), electron – Pierre Victor Auger and Lise Meitner
• Autler–Townes effect – Stanley H. Autler and Charles H. Townes
• Auwers synthesis – Karl von Auwers
• Avogadro's law, Avogadro constant, Avogadro number – Count Lorenzo Romano Amedeo Carlo Avogadro di Quaregna e Cerreto

• Baeyer–Drewson indigo synthesis – Johann Friedrich Wilhelm Adolf von Baeyer and Viggo Drewsen
• Baeyer–Villiger oxidation and Baeyer–Villiger rearrangement – Johann Friedrich Wilhelm Adolf von Baeyer and Victor Villiger
• Babinet's principle – Jacques Babinet
• Babler–Dauben oxidation – James Babler and William Garfield Dauben
• Bagnold number – Ralph Alger Bagnold
• Baily's beads – Francis Baily
• Baker–Nathan effect – John William Baker and Wilfred S. Nathan
• Bakerian mimicry – Herbert G. Baker
• Baldwin effect (astronomy) – Jack Allen Baldwin
• Baldwin effect (Baldwinian evolution, Ontogenic evolution) – James Mark Baldwin
• Baldwin's rules – Jack Edward Baldwin
• Balmer line, series – Johann Jakob Balmer
• Bamberger rearrangement – Eugen Bamberger
• Bamford–Stevens reaction – William Randall Bamford and Thomas Stevens Stevens
• Barkhausen effect – Heinrich Barkhausen
• Barnett effect – Samuel Jackson Barnett
• Barnum effect (a.k.a. Forer effect) – Phineas Taylor Barnum (and Bertram R. Forer)
• Barton reaction – Derek Harold Richard Barton
• Barton–McCombie deoxygenation – Derek Harold Richard Barton and Stuart W. McCombie
• Baskerville effect – the fictional Charles Baskerville of the novel The Hound of the Baskervilles
• Batesian mimicry – Henry Walter Bates
• Bauschinger effect – Johann Bauschinger
• Bayes's theorem – Thomas Bayes
• Baylis–Hillman reaction – Anthony B. Baylis and Melville E. D. Hillman
• Bayliss effect – William M. Bayliss
• BCS superconduction theory – John Bardeen, Leon Cooper, and Robert Schrieffer
• Beaufort scale (Beaufort wind force scale) – Francis Beaufort
• Beckmann rearrangement – Ernst Otto Beckmann
• Beer's law (a.k.a. Beer–Lambert law or Beer–Lambert–Bouguer law) – August Beer (and Johann Heinrich Lambert and Pierre Bouguer)
• Beilstein's test – Friedrich Konrad Beilstein
• Bejan number – Adrian Bejan
• Bekenstein bound – Jacob Bekenstein
• Bélády's anomaly – László Bélády
• Bell's inequality – John Stewart Bell
• Bell number – Eric Temple Bell
• Belousov–Zhabotinskii reaction – Boris Pavlovich Belousov and Anatol Markovich Zhabotinskii
• Bénard cell – Henri Bénard
• Bénard–Marangoni cell/convection (a.k.a. Marangoni convection) – Henri Bénard and Carlo Marangoni
• Benedict's test – Stanley Rossiter Benedict
• Benford's law – Frank Albert Benford, Jr.
• Benioff zone – see Wadati–Benioff zone, below
• Bennett pinch – Willard Harrison Bennett
• Berezinsky–Kosterlitz–Thouless transition – Veniamin L. Berezinsky, John M. Kosterlitz, and David J. Thouless
• Bergman cyclization – Robert George Bergman
• Bergmann's rule – Carl Bergmann (anatomist)
• Bergmann–Zervas carbobenzoxy method – Max Bergmann and Leonidas Zervas
• Bernoulli effect, Bernoulli's equation, principle – Daniel Bernoulli
• Berry's phase – Michael V. Berry
• Betz limit – Albert Betz
• Bezold–Brücke shift (a.k.a. von Bezold spreading effect) – Johann Friedrich Wilhelm von Bezold and Ernst Wilhelm von Brücke
• Biefeld–Brown effect – Paul Alfred Biefeld and Thomas Townsend Brown
• Biginelli reaction – Pietro Biginelli
• Biot number – Jean-Baptiste Biot
• Biot–Savart law – Jean-Baptiste Biot and Félix Savart
• Birch reduction – Arthur John Birch
• Birkeland currents – Kristian Birkeland
• Bischler–Napieralski reaction – August Bischler and Bernard Napieralski
• Black's equation for electromigration – James R. Black (d. 2004) of Motorola
• Blandford–Znajek process – Roger D. Blandford and Roman L. Znajek
• Blasius boundary layer, flow – Paul Richard Heinrich Blasius
• Blazhko effect – Sergey Blazhko
• Bloch electrons – Felix Bloch
• Bloom filter – Burton Howard Bloom
• Bodenstein number – Max Bodenstein
• Bohm sheath criterion – David Bohm
• Bohr effect – Christian Bohr
• Bohr magneton, model, radius – Niels Bohr
• Boltzmann constant – Ludwig Boltzmann
• Bonnor–Ebert mass – William Bowen Bonnor and Rolf Ebert
• Borel algebra, measure, set, space, summation, Borel's lemma, paradox – Émile Borel
• Borel–Cantelli lemma – Émile Borel and Francesco Paolo Cantelli
• Borel–Carathéodory theorem – Émile Borel and Constantin Carathéodory
• Born–Haber cycle – Max Born and Fritz Haber
• Born–Oppenheimer approximation – Max Born and Robert Oppenheimer
• Borodin–Hunsdiecker reaction – Alexander Borodin, Hienz Hunsdiecker, and Clare Hunsdiecker (née Dieckmann)
• Borrmann effect (a.k.a. Borrmann–Campbell effect) – Gerhard Borrman (and Herbert N. Campbell)
• Bortle scale – John E. Bortle
• Bose–Einstein condensate, effect, statistics – Satyendra Nath Bose and Albert Einstein
• Boson – Satyendra Nath Bose
• Boyer's law – Carl Benjamin Boyer
• Boyle's law (a.k.a. Boyle–Mariotte law) – Robert Boyle (and Edme Mariotte)
• Brackett line/series – Frederick Sumner Brackett
• Bradford's law (of scattering) – Samuel C. Bradford
• Braess's paradox – Dietrich Braess
• Bragg angle, Bragg's law, Bragg plane – William Henry Bragg and his son William Lawrence Bragg
• Bragg diffraction – William Lawrence Bragg
• Brans–Dicke theory – Carl H. Brans and Robert H. Dicke
• Bravais lattice – Auguste Bravais
• Bravais–Miller indices (a.k.a. Miller–Bravais indices) – Auguste Bravais and William Hallowes Miller
• Brayton cycle – George B. Brayton
• Bredt's rule – Julius Bredt
• Breit–Wheeler process – Gregory Breit and John A. Wheeler
• Brewster's angle, law – David Brewster
• Brillouin zone – Léon Brillouin
• Brinkman number – Hendrik C. Brinkman
• Brook rearrangement – Adrian Gibbs Brook
• Brooks's law (of software development) – Frederick Phillips Brooks, Jr.
• Brownian motion & Brown(ian) noise – Robert Brown
• Bucherer reaction – Hans Theodor Bucherer
• Büchi automata – Julius Richard Büchi
• Buckingham π theorem – Edgar Buckingham
• Burali-Forti paradox – Cesare Burali-Forti
• Bürgi–Dunitz angle – Hans-Beat Bürgi and Jack David Dunitz

• Cabannes–Daure effect – Jean Cabannes and Pierre Daure
• Cadiot–Chodkiewicz coupling, reaction – Paul Cadiot and Wladyslav Chodkiewicz
• Callendar effect – Guy Stewart Callendar
• Callippic cycle – Callippus of Cyzicus
• Calvin cycle (a.k.a. Calvin–Benson cycle) – Melvin Calvin (and Andy Benson)
• Cannizzaro reaction – Stanislao Cannizzaro
• Cardan angles (a.k.a. Tait–Bryan angles) – Gerolamo Cardano
• Carnot cycle, number – Nicolas Léonard Sadi Carnot
• Carpenter effect (a.k.a. Ideomotor effect) – William Benjamin Carpenter
• Cartan–Kähler theorem – Élie Cartan, Erich Kähler
• Casimir effect – Hendrik Casimir
• Catalan's conjecture (a.k.a. Mihăilescu's theorem), Catalan numbers – Eugène Charles Catalan
• Cauchy number (a.k.a. Hooke number)^[1] – Augustin-Louis Cauchy
• Cauchy–Kovalevskaya theorem – Augustin-Louis Cauchy, Sofia Kovalevskaya
• Cauer filter – Wilhelm Cauer
• Chandler wobble – Seth Carlo Chandler
• Chandrasekhar limit, number – Subrahmanyan Chandrasekhar
• Chang–Refsdal lens – Kyongae Chang and Sjur Refsdal
• Chaplygin gas – Sergey Alexeyevich Chaplygin
• Charles's law – Jacques Charles
• Chebyshev distance, equation, filter, linkage, polynomials – Pafnuty Chebyshev
• Chebyshev's inequality (a.k.a. Bienaymé–Chebyshev inequality) – Pafnuty Chebyshev (and Irénée-Jules Bienaymé)
• Cherenkov radiation (a.k.a. Cherenkov–Vavilov radiation) – Pavel Alekseyevich Cherenkov (and Sergey Ivanovich Vavilov)
• Chichibabin reaction – Alexei Yevgenievich Chichibabin
• Christiansen effect – Christian Christiansen
• Christoffel symbol – Elwin Bruno Christoffel
• Christofilos effect – Nicholas Christofilos
• Chugaev elimination/reaction, reagent – Lev Aleksandrovich Chugaev
• Chwolson ring or Chwolson–Einstein ring – Orest Khvolson (and Albert Einstein)
• Clairaut's relation, theorem – Alexis Claude Clairaut
• Claisen condensation, rearrangement – Rainer Ludwig Claisen
• Claisen–Schmidt condensation – Rainer Ludwig Claisen and J. Gustav Schmidt
• Clapp oscillator – James K. Clapp
• Clarke orbit – Arthur C. Clarke
• Clemmensen reduction – Erik Christian Clemmensen
• Coanda effect – Henri Coanda
• Coase theorem – Ronald Coase
• Colburn–Chilton analogy (a.k.a. Colburn analogy) – Allan Philip Colburn and Thomas H. Chilton
• Coleman–Liau index – Meri Coleman and T. L. Liau
• Coleman–Mandula theorem – Sidney Coleman and Jeffrey Mandula
• Collatz conjecture (a.k.a. the Ulam conjecture (Stanisław Ulam), Kakutani's problem (Shizuo Kakutani), the Thwaites conjecture (Sir Bryan Thwaites), Hasse's algorithm (Helmut Hasse), the Syracuse problem) – Lothar Collatz
• Colpitts oscillator – Edwin H. Colpitts
• Compton effect, scattering, wavelength – Arthur Compton
• Compton–Getting effect – Arthur Compton and Ivan A. Getting
• Conway base 13 function – John H. Conway
• Coolidge effect – from a joke attributed to John Calvin Coolidge, Jr.
• Cooper pair – Leon Cooper
• Cope elimination, rearrangement – Arthur Clay Cope
• Corey–Fuchs reaction – Elias James Corey and Philip L. Fuchs
• Corey–Kim oxidation – Elias James Corey and Choung Un Kim
• Corey–Winter olefin synthesis – Elias James Corey and Roland Arthur Edwin Winter
• Coriolis effect – Gaspard-Gustave Coriolis
• Cotton effect – Aimé Auguste Cotton
• Cotton–Mouton effect – Aimé Auguste Cotton and Henri Mouton
• Coulomb's law – Charles Augustin de Coulomb
• Coulter counter, principle – Wallace Henry Coulter
• Coxeter–Dynkin diagram – Harold Scott MacDonald Coxeter and Eugene Borisovich Dynkin
• Crabtree effect – Herbert Grace Crabtree
• Criegee reaction, rearrangement – Rudolf Criegee
• Curie point – Pierre Curie
• Curry's paradox – Haskell Curry
• Curtin–Hammett principle – David Yarrow Curtin and Louis Plack Hammett
• Curtius rearrangement – Theodor Curtius

• Dakin reaction – Henry Drysdale Dakin
• Dakin–West reaction – Henry Drysdale Dakin and Randolph West
• Dalton's law (of partial pressures) – John Dalton
• Damerau–Levenshtein distance – Frederick J. Damerau and Vladimir Levenshtein
• Darboux function – Jean Gaston Darboux
• Darcy's law – Henry Darcy
• Darlington pair – Sidney Darlington
• Darwin drift – Charles Galton Darwin
• Darwin point, Darwinism – Charles Darwin
• Darzens condensation – Auguste Georges Darzens
• Davies–Bouldin index (DBI) – David L. Davies and Donald W. Bouldin
• de Broglie wavelength – Louis de Broglie
• de Bruijn sequences – Nicolaas Govert de Bruijn
• de Haas–van Alphen effect – Wander Johannes de Haas and Pieter M. van Alphen
• de Haas–Shubnikov effect – see Shubnikov–de Haas effect, below
• Deborah number – the prophetess Deborah (Bible, Judges 5:5)
• Debye model – Peter Joseph William Debye
• Debye–Falkenhagen effect – Peter Joseph William Debye and Hans Falkenhagen
• Richard Dedekind has many topics named after him; see biography article.
• Delbrück scattering – Max Ludwig Henning Delbrück
• Delépine reaction – Stéphane Marcel Delépine
• Dellinger effect (a.k.a. Mögel–Dellinger effect) – John Howard Dellinger (and Hans Mögel)
• Demjanov rearrangement – Nikolai Jakovlevich Demjanov
• Dermott's law – Stanley Dermott
• Dess–Martin oxidation – Daniel Benjamin Dess and James Cullen Martin
• DeVries solar cycle – See Suess solar cycle, below
• Dice's coefficient – Lee Raymond Dice
• Dieckmann condensation – Walter Dieckmann
• Diels–Alder reaction – Otto Paul Hermann Diels and Kurt Alder
• Diophantine equation – Diophantus of Alexandria
• Dirac comb, fermion, spinor, equation, delta function, measure – Paul Dirac
• Peter Gustav Lejeune Dirichlet has dozens of formulas named after him, see List of things named after Peter Gustav Lejeune Dirichlet
• Divisia index – François Divisia
• Doebner–Miller reaction – Oscar Döbner (Doebner) and Wilhelm von Miller
• Dollo's law – Louis Dollo
• Donnan effect (a.k.a. Gibbs–Donnan effect) – see Gibbs–Donnan effect, below
• Doppler effect (a.k.a. Doppler–Fizeau effect), Doppler profile – Christian Doppler (and Hippolyte Fizeau)
• Downs–Thomson paradox – Anthony Downs and John Michael Thomson
• Drake equation (a.k.a. Sagan equation, Green Bank equation) – Frank Drake (or Carl Sagan or Green Bank, West Virginia, home to the National Radio Astronomy Observatory (NRAO))
• Droste effect – Dutch chocolate maker Droste
• Drude model – Paul Drude
• Duff's device – Tom Duff
• Duffing equation, map – Georg Duffing
• Duhamel's integral, and principle – Jean-Marie Constant Duhamel
• Dulong–Petit law – Pierre Louis Dulong and Alexis Thérèse Petit
• Dunitz angle – see Bürgi–Dunitz angle, above
• Dunning–Kruger effect – David Dunning and Justin Kruger
• Dyson–Harrop satellite – Brooks L. Harrop and Freeman Dyson

• Early effect – James M. Early
• Eddington limit – Arthur Eddington
• Edgeworth–Bowley box – Francis Ysidro Edgeworth and Arthur Lyon Bowley
• Edison effect – Thomas Edison
• Edman degradation – Pehr Victor Edman
• Edward–Lemieux effect (a.k.a. Anomeric effect) – John Thomas Edward and Raymond U. Lemieux
• Eglinton reaction – Geoffrey Eglinton
• Ehrenfest paradox – Paul Ehrenfest
• Eimer's organ – Gustav Heinrich Theodor Eimer
• Einstein Cross, effect, radius, ring, shift – Albert Einstein
• Einstein–Chwolson ring or Chwolson ring – Albert Einstein and Orest Khvolson
• Einstein–de Haas effect – Albert Einstein and Wander Johannes de Haas
• Einstein–Podolsky–Rosen paradox (a.k.a. EPR paradox, Einstein–Podolsky–Rosen–Bohm paradox) – Albert Einstein, Boris Podolsky, Nathan Rosen (and David Bohm)
• Ekman layer – Walfrid Ekman
• Elbs reaction – Karl Elbs
• Elliott–Halberstam conjecture – Peter D. T. A. Elliott and Heini Halberstam
• Elman network – Jeff Elman
• Elsasser number – Walter M. Elsasser
• Engel curve – Ernst Engel
• Engelbart's law – Douglas Engelbart
• Epimenides paradox – Epimenides of Knossos
• Erlenmeyer flask, rule, synthesis – Richard August Carl Emil Erlenmeyer
• Eschenmoser fragmentation – Albert Eschenmoser
• Eschweiler–Clarke reaction – Wilhelm Eschweiler and Hans Thacher Clarke
• Eshelby's inclusion – John D. Eshelby
• Étard reaction – Alexandre Léon Étard
• Ettingshausen effect – Albert von Ettingshausen
• Euler this and that (numerous entries) – Leonhard Euler
• Evershed effect – John Evershed

• Faà di Bruno's formula – Francesco Faà di Bruno
• Faraday constant, effect, Faraday's law of induction, Faraday's law of electrolysis – Michael Faraday
• Farnsworth–Hirsch fusor – Philo T. Farnsworth and Robert L. Hirsch
• Favorskii reaction, rearrangement – Alexei Yevgrafovich Favorskii
• Fenton reaction – Henry John Horstman Fenton
• Fermat's principle – Pierre de Fermat
• Fermi energy, paradox, surface, Fermion – Enrico Fermi
• Fermi–Dirac statistics – Enrico Fermi and Paul Dirac
• Ferrel cell – William Ferrel
• Ferrers diagram (a.k.a. Young diagram, Ferrers graph) – Norman Macleod Ferrers
• Feshbach resonance – Herman Feshbach
• Feynman diagram – Richard Feynman
• Finkelstein reaction – Hans Finkelstein
• Fischer esterification, indole synthesis – Emil Hermann Fischer
• Fischer–Hafner reaction – Ernst Otto Fischer and Walter Hafner
• Fischer–Tropsch process – Franz Joseph Emil Fischer and Hans Tropsch
• Fischer–Hepp rearrangement – Otto Philipp Fischer and Eduard Hepp
• Fisher distribution – Ronald A. Fisher
• Fisher equation – Irving Fisher
• Fisher–Widom line – Michael E. Fisher and Benjamin Widom
• Fitts's law – Paul M. Fitts
• Flesch–Kincaid readability test – Rudolf F. Flesch and J. Peter Kincaid
• Fletcher–Munson curves – Harvey Fletcher and Wilden A. Munson
• Flynn effect – Jim Flynn
• Forbush effect – Scott Ellsworth Forbush
• Forer effect (a.k.a. Barnum effect) – Bertram R. Forer (and Phineas Taylor Barnum)
• Foucault pendulum – Jean Bernard Léon Foucault
• Fourier number – Joseph Fourier
• Fourier series – Joseph Fourier
• Fourier–Motzkin elimination – Joseph Fourier and Theodore Motzkin
• Franck–Condon principle – James Franck and Edward Uhler Condon
• Franssen effect – Nico Franssen
• Franz–Keldysh effect – Walter Franz and Leonid V. Keldysh
• Fraunhofer diffraction, lines – Joseph von Fraunhofer
• Freeman law – Ken Freeman
• Frenkel line – Jacov Frenkel
• Fresnel zone – Augustin Fresnel
• Frey effect – Allan H. Frey
• Friedel oscillations – Jacques Friedel
• Friedel–Crafts reaction – Charles Friedel and James Mason Crafts
• Friedländer synthesis – Paul Friedländer
• Friedmann–Lemaître–Robertson–Walker metric (a.k.a. Friedmann–Robertson–Walker metric, Robertson–Walker metric) – Alexander Friedmann, Georges Lemaître, Howard P. Robertson and Arthur Geoffrey Walker
• Fries and photo-Fries rearrangement – Karl Theophil Fries
• Fritsch–Buttenberg–Wiechell rearrangement – Paul Ernst Moritz Fritsch, Wilhelm Paul Buttenberg, and Heinrich G. Wiechell
• Frobenius algebra, automorphism, method, norm, theorem – Ferdinand Georg Frobenius
• Froude number – William Froude
• Fry readability formula – Edward Fry
• Fujita scale (a.k.a. F-Scale, Fujita–Pearson scale) – Tetsuya Theodore Fujita (and Allen Pearson)
• Fujiwhara effect – Sakuhei Fujiwhara

• Gabriel synthesis – Siegmund Gabriel
• Gardner transition – Elizabeth Gardner
• Garman limit – Elspeth Garman
• Gattermann reaction – Ludwig Gattermann
• Gattermann–Koch reaction – Ludwig Gattermann and Julius Arnold Koch
• Gaunt factor (or Kramers–Gaunt factor) – John Arthur Gaunt (and Hendrik Anthony Kramers)
• Gause's principle – Georgii Gause
• Gauss's law – Carl Friedrich Gauss
• Gauss–Bonnet gravity, theorem – Carl Friedrich Gauss and Pierre Ossian Bonnet
• Geib–Spevack process (a.k.a. Girdler sulfide (GS) process) – Karl-Hermann Geib and Jerome S. Spevack (and the Girdler company, which built the first American plant using the process)
• Geiger counter (a.k.a. Geiger–Müller counter) – Johannes Wilhelm (Hans) Geiger (and Walther Müller)
• Geiger–Marsden experiment (a.k.a. Rutherford experiment) – Johannes Wilhelm (Hans) Geiger and Ernest Marsden
• Geiger–Müller tube – Johannes Wilhelm (Hans) Geiger and Walther Müller
• Geiger–Nuttall law/rule – Johannes Wilhelm (Hans) Geiger and John Mitchell Nuttall
• Geissler tube – Heinrich Geissler
• Gibbs entropy, free energy, paradox, Gibbs's phase rule, Gibbs phenomenon – Josiah Willard Gibbs
• Gibbs–Donnan effect (a.k.a. Donnan effect) – Josiah Willard Gibbs and Frederick G. Donnan
• Gibbs–Marangoni effect (a.k.a. Marangoni effect) – Josiah Willard Gibbs and Carlo Marangoni
• Gibbs–Helmholtz equation – Josiah Willard Gibbs and Hermann von Helmholtz
• Gibbs–Thomson effect – Josiah Willard Gibbs and three Thomsons: James Thomson, William Thomson, 1st Baron Kelvin, Joseph John "J. J." Thomson
• Giffen good – Robert Giffen
• Gleissberg solar cycle – Wolfgang Gleißberg
• Gloger's rule – Constantin Wilhelm Lambert Gloger
• Goldbach's conjecture – Christian Goldbach
• Goldstone boson (a.k.a. Nambu–Goldstone boson) – see Nambu–Goldstone boson, below
• Gomberg–Bachmann reaction – Moses Gomberg and Werner Emmanuel Bachmann
• Goodhart's law – Charles Goodhart
• Goos–Hänchen effect or shift – Fritz Goos and Hilda Hänchen
• Gould Belt – Benjamin Gould
• Grashof number – Franz Grashof
• Greisen–Zatsepin–Kuzmin cut-off/limit (a.k.a. GZK cutoff/limit) – Kenneth Greisen, Georgiy Zatsepin and Vadim Kuzmin
• Gresham's law – Thomas Gresham
• Griess test (diazotization reaction) – Johann Peter Griess
• Grignard reaction – François Auguste Victor Grignard
• Grob fragmentation – Cyril A. Grob
• Gromov–Witten invariant – Mikhail Gromov and Edward Witten
• Grosch's law – Herbert Reuben John Grosch
• Grotrian diagram – Walter Robert Wilhelm Grotrian
• Grotthuss chain – Christian Johann Dietrich Theodor von Grotthuss
• Grotthuss–Draper law – Christian Johann Dietrich Theodor von Grotthuss and John William Draper
• Gunn diode, effect – John Battiscombe "J. B." Gunn
• Gunning fog index – Robert Gunning
• Gustafson's law, a.k.a. Gustafson–Barsis's law – John L. Gustafson (and Edward H. Barsis)
• Gutenberg–Richter law – Beno Gutenberg and Charles Francis Richter

• Haar measure – Alfréd Haar
• Hadamard inequality – Jacques Solomon Hadamard
• Hadamard transform (a.k.a. Hadamard–Rademacher–Walsh transform) – Jacques Hadamard, Hans Rademacher, and Joseph L. Walsh
• Hadley cell – George Hadley
• Hagedorn temperature – Rolf Hagedorn
• Haitz's law – Roland Haitz
• Haldane effect – John Scott Haldane
• Haldane's principle – John Burdon Sanderson Haldane
• Hale solar cycle – George Ellery Hale
• Hall effect – Edwin Hall
• Hamilton's rule – William Donald "Bill" Hamilton
• Hamming code, Hamming distance, Hamming weight – Richard Hamming
• Hammond postulate – George Simms Hammond
• Hanle effect – Wilhelm Hanle
• Hardy notation, space – Godfrey Harold Hardy
• Hardy–Littlewood circle method, first conjecture – Godfrey Harold Hardy and John E. Littlewood
• Hardy–Weinberg principle – Wilhelm Weinberg and Godfrey Harold Hardy
• Harrod–Johnson diagram – Roy F. Harrod and Harry G. Johnson
• Hartley oscillator – Ralph Hartley
• Hartman effect – Thomas E. Hartman
• Hartmann mask (or hat) – Johannes Hartmann
• Hartree energy – Douglas Hartree
• Hasse's algorithm – see Collatz conjecture, above
• Hasse diagram, principle – Helmut Hasse
• Hasse–Minkowski theorem – Helmut Hasse and Hermann Minkowski
• Hausdorff dimension – Felix Hausdorff
• Hawthorne effect – from the Hawthorne Works factory (where experiments were carried out 1924–1932)
• Hayashi track – Chushiro Hayashi
• Hayflick limit – Leonard Hayflick
• Hawking radiation (a.k.a. Bekenstein–Hawking radiation) – Stephen Hawking (and Jacob Bekenstein)
• Heaviside layer – see Kennelly–Heaviside layer
• Hebbian learning – Donald Olding Hebb
• Heine–Borel theorem – Heinrich Eduard Heine and Émile Borel
• Heinlein's razor – see Hanlon's razor, above
• Heisenberg uncertainty principle – Werner Heisenberg
• Hellmann–Feynman theorem – Hans Hellmann and Richard Feynman
• Helmholtz free energy, Helmholtz resonance – Hermann von Helmholtz
• Hénon map – Michel Hénon
• Hénon–Heiles system, potential – Michel Hénon and Carl E. Heiles
• Henrietta's law – see Leavitt's law, below
• Henyey track – Louis G. Henyey
• Herbig Ae/Be star – George Herbig
• Herbig–Haro object – George Herbig and Guillermo Haro
• Herbrand base, interpretation, structure, universe, and Herbrand's theorem – Jacques Herbrand
• Hertz effect – Heinrich Rudolf Hertz
• Hertzsprung–Russell diagram – Ejnar Hertzsprung and Henry Norris Russell
• Hess afterimage – Carl von Hess
• Hess diagram – R. Hess
• Heusler alloy – Fritz Heusler
• Heyting algebra, arithmetic – Arend Heyting
• Hick's law, a.k.a. Hick–Hyman law – William Edmund Hick and Ray Hyman
• Higgs boson, field – Peter Higgs
• Higgs mechanism – see Anderson–Higgs mechanism, above
• Hilbert–Waring theorem (a.k.a. Waring's problem) – David Hilbert and Edward Waring
• Hill sphere (a.k.a. Roche sphere) – George William Hill (and Édouard Roche)
• Hills cloud – Jack G. Hills
• Hipparchic cycle – Hipparchus of Nicaea (a.k.a. Hipparchus of Rhodes)
• Hirayama family – Kiyotsugu Hirayama
• Hirsch–Meeks fusor – Robert L. Hirsch and Gene A. Meeks
• Hofstadter's butterfly, law – Douglas Hofstadter
• Hopfield dielectric – John J. Hopfield
• Hopfield network – John J. Hopfield
• Hořava–Lifshitz gravity – Petr Hořava and Evgeny Lifshitz
• Hořava–Witten domain wall – Petr Hořava and Edward Witten
• Hubbert peak – Marion King Hubbert
• Hubble constant, expansion – Edwin Hubble
• Hubble–Reynolds law – Edwin Hubble and John Henry Reynolds
• Huchra's Lens – John Huchra
• Humphreys line/series – Curtis J. Humphreys
• Hund's Rules – Friedrich Hund
• Hunsdiecker reaction – Heinz Hunsdiecker and Cläre Hunsdiecker
• Huygens–Fresnel principle – Christiaan Huygens and Augustin-Jean Fresnel

• Imbert–Fedorov effect – Christian Imbert and Fedor Ivanovič Fedorov
• Ishikawa diagram – Kaoru Ishikawa
• Ising model (a.k.a. Lenz–Ising model) – Ernst Ising (and Wilhelm Lenz)

• Jaccard index, similarity coefficient, distance – Paul Jaccard
• Jaffe profile (or model) – Walter Jaffe
• Jahn–Teller effect – Hermann Arthur Jahn and Edward Teller
• Jaro–Winkler distance – Matthew A. Jaro and William E. Winkler
• Jarque–Bera test – Carlos M. Jarque and Anil K. Bera
• Jeans's theorem – James Hopwood Jeans
• Johnson–Nyquist noise – John B. Johnson and Harry Nyquist
• Jordan's rule/law – David Starr Jordan
• Josephson constant, effect, junction – Brian David Josephson
• Joule's law (a.k.a. Joule–Lenz law) – James Prescott Joule and Heinrich Friedrich Emil Lenz
• Joule–Thomson effect (a.k.a. Joule–Kelvin effect) – James Prescott Joule and William Thomson, 1st Baron Kelvin

• K3 surface – Ernst Kummer, Erich Kähler, Kunihiko Kodaira
• Kähler differential, manifold, metric – Erich Kähler
• Kakutani's problem – see Collatz conjecture, above
• Kármán vortex street – Theodore von Kármán
• Karnaugh map (a.k.a. Karnaugh–Veitch map, Veitch diagram) – Maurice Karnaugh (and Edward W. Veitch)
• Karush–Kuhn–Tucker conditions (a.k.a. Kuhn–Tucker conditions) – William Karush, Harold W. Kuhn and Albert W. Tucker
• Kasha's rule – Michael Kasha
• Kater's pendulum – Captain Henry Kater
• Kaye effect – Alan Kaye
• Keeling curve – Charles David Keeling
• Kelvin wave – William Thomson, 1st Baron Kelvin
• Kelvin–Helmholtz mechanism, instability – William Thomson, 1st Baron Kelvin and Hermann von Helmholtz
• Kelvin–Joule effect (a.k.a. Joule–Thomson effect) – William Thomson, 1st Baron Kelvin and James Prescott Joule
• Kelvin–Voigt material, model – Woldemar Voigt and William Thomson, 1st Baron Kelvin
• Kennelly–Heaviside layer – Arthur Edwin Kennelly and Oliver Heaviside
• Kennicutt–Schmidt law (a.k.a. Schmidt–Kennicutt law, or Schmidt law) – Maarten Schmidt and Robert Kennicutt
• Kepler's laws of planetary motion – Johannes Kepler
• Kerr effect – John Kerr
• Kirkendall effect – Ernest Kirkendall
• Kleene star (a.k.a. Kleene operator, Kleene closure) – Stephen Kleene
• Klein–Gordon equation – Oskar Klein and Walter Gordon
• Klein–Nishina effect – Oskar Klein and Yoshio Nishina
• Knudsen cell, number – Martin Hans Christian Knudsen
• Kodaira dimension, embedding theorem, vanishing theorem – Kunihiko Kodaira
• Koenigs–Knorr reaction – Wilhelm Koenigs and Edward Knorr
• Kohn effect – Walter Kohn
• Kohn–Sham equations – Walter Kohn and Lu Jeu Sham
• Kohonen network – Teuvo Kohonen
• Kolakoski sequence – William Kolakoski
• Kolbe electrolysis – Adolph Wilhelm Hermann Kolbe
• Kolbe–Schmitt reaction – Adolph Wilhelm Hermann Kolbe and Rudolf Schmitt
• Kondo effect – Jun Kondo
• Kornblum oxidation – Nathan Kornblum
• Kornblum–DeLaMare rearrangement – Nathan Kornblum and Harold E. DeLaMare
• Kossel effect – Walther Kossel
• Kosterlitz–Thouless transition – see Berezinsky–Kosterlitz–Thouless transition, above
• Kozai effect – Yoshihide Kozai
• Krebs cycle – Hans Adolf Krebs
• Kratzer potential – Adolf Kratzer
• Kronecker delta – Leopold Kronecker
• Kuhn–Tucker conditions – see Karush–Kuhn–Tucker conditions, above
• Kuiper belt – Gerard Kuiper
• Kummer's function, Kummer surface – Ernst Kummer
• Kuramoto model – Yoshiki Kuramoto

• Lagrangian mechanics, Lagrange points – Joseph-Louis Lagrange
• Lamb shift – Willis Lamb
• Lambert's cosine law (a.k.a. Lambert's emission law) – Johann Heinrich Lambert
• Landau damping, pole – Lev Davidovich Landau
• Landau–Pomeranchuk–Migdal effect – Lev Davidovich Landau, Isaak Pomeranchuk, and Arkady Migdal
• Landau–Zener transition – Lev Davidovich Landau and Clarence Zener
• Landé g-factor – Alfred Landé
• Langmuir probe – Irving Langmuir
• Langmuir–Blodgett film – Irving Langmuir and Katharine B. Blodgett
• Laplace vector – see Laplace–Runge–Lenz vector, below
• Laplace–Runge–Lenz vector (a.k.a. LRL vector, Laplace vector, Runge–Lenz vector, Lenz vector) – Pierre-Simon de Laplace, Carl Runge and Wilhelm Lenz
• Larmor frequency, precession, radius – Joseph Larmor
• Larsen effect – Søren Absalon Larsen
• Laspeyres index – Ernst Louis Etienne Laspeyres
• Leavitt's law (a.k.a. Henrietta's law) – Henrietta Swan Leavitt
• Le Chatelier's principle – Henri Louis Le Chatelier
• Lee distance – C. Y. Lee
• Leidenfrost effect, point – Johann Gottlob Leidenfrost
• Lenard effect – Philipp Eduard Anton von Lenard
• Lennard-Jones potential – John Lennard-Jones
• Lense–Thirring effect (a.k.a. Thirring effect) – Josef Lense and Hans Thirring
• Lenz vector – see Laplace–Runge–Lenz vector, above
• Lenz's law – Heinrich Friedrich Emil Lenz
• Leonard–Merritt mass estimator – Peter Leonard and David Merritt
• Levenshtein distance, automaton – Vladimir Levenshtein
• Levi-Civita symbol – Tullio Levi-Civita
• Lewis–Mogridge Position – David Lewis and Martin J. H. Mogridge
• Little–Parks effect – William A. Little [de] and Roland D. Parks
• Littlewood–Offord problem – John E. Littlewood and A. Cyril Offord
• Locard's exchange principle – Edmond Locard
• Lombard effect – Étienne Lombard
• London force – Fritz London
• Lorentz force, transformation – Hendrik Antoon Lorentz
• Lorentz–Lorenz equation – Hendrik Antoon Lorentz and Ludvig Lorenz
• Lorenz attractor – Edward Norton Lorenz
• Lorenz curve – Max O. Lorenz
• Lorenz gauge condition – Ludvig Lorenz
• Lorenz–Mie scattering – see Mie scattering, below
• Loschmidt's paradox – Johann Josef Loschmidt
• Lotka's law – Alfred J. Lotka
• Lotka–Volterra equation – Alfred J. Lotka and Vito Volterra
• Love waves – Augustus Edward Hough Love
• Lucas critique – Robert Lucas, Jr.
• Lyapunov's central limit theorem, equation, exponent, fractal, function, stability, test, time and tube – Aleksandr Mikhailovich Lyapunov
• Lyman line, series – Theodore Lyman

• Mach band/effect, number, principle – Ernst Mach
• Mach–Zehnder interferometer – Ludwig Mach and Ludwig Zehnder
• Madelung constant, rule, energy – Erwin Madelung
• Maggi–Righi–Leduc effect (Thermal Hall effect) – Gian Antonio Maggi, Augusto Righi and Sylvestre Anatole Leduc
• Magnus effect – Heinrich Gustav Magnus
• Magorrian relation – John Magorrian
• Mahalanobis distance – Prasanta Chandra Mahalanobis (প্রশান্ত চন্দ্র মহলানবিস)
• Mahler measure, Mahler's theorem – Kurt Mahler
• Maillard reaction
• Malmquist bias, effect – Karl Gunnar Malmquist
• Malus's law – Étienne-Louis Malus
• Malthusian parameter – named by Ronald Fisher as a criticism of Thomas Robert Malthus
• Malthusian catastrophe, growth model – Thomas Robert Malthus
• Marangoni cell/convection (a.k.a. Bénard–Marangoni convection) – see Bénard–Marangoni cell/convection, above
• Marangoni effect (a.k.a. Gibbs–Marangoni effect) – see Gibbs–Marangoni effect, above
• Markov's inequality, chain, partition, Markovian process – Andrey Markov
• Mathieu functions – Émile Léonard Mathieu
• Matilda effect – Matilda Joslyn Gage
• Matthew effect – Matthew the Evangelist
• Maxwell–Boltzmann distribution – James Clerk Maxwell and Ludwig Boltzmann
• McCollough effect – Celeste McCollough
• McCulloch–Pitts neuron – Warren McCulloch and Walter Pitts
• McGurk effect (a.k.a. McGurk–MacDonald effect) – Harry McGurk (and John MacDonald)
• Mealy machine – George H. Mealy
• Meissner effect (a.k.a. Meissner–Ochsenfeld effect) – Walther Meissner (and Robert Ochsenfeld)
• Mendelian inheritance – Gregor Mendel
• Mercalli intensity scale (Modified Mercalli scale) – Giuseppe Mercalli
• Metonic cycle – Meton of Athens
• Meyers synthesis – Albert I. Meyers
• Mie scattering (a.k.a. Lorenz–Mie scattering) – Gustav Mie (and Ludvig Lorenz)
• Mihăilescu's theorem (a.k.a. Catalan's conjecture) – Preda Mihăilescu
• Mikheyev–Smirnov–Wolfenstein effect – Stanislav Mikheyev, Alexei Smirnov, and Lincoln Wolfenstein
• Miller effect – John Milton Miller
• Miller indices (a.k.a. Miller–Bravais indices) – William Hallowes Miller (and Auguste Bravais)
• Misnay–Schardin effect – Col. József Misnay and Hubert Schardin
• Mögel–Dellinger effect – see Dellinger effect, above
• Mohorovičić discontinuity (Moho) – Andrija Mohorovičić
• Mohr's circle – Christian Otto Mohr
• Mohr–Coulomb theory – Christian Otto Mohr and Charles-Augustin de Coulomb
• Mooers's law – Calvin Mooers
• Moore machine – Edward Forrest Moore
• Moore's law – Gordon E. Moore
• Morgan unit – Thomas Hunt Morgan
• Moreton wave – Gail E. Moreton
• Morse potential – Philip M. Morse
• Moses effect – after biblical Moses
• Mössbauer effect – Rudolf Mössbauer
• Mott cross section, Mott insulator, Mott transition – Nevill Francis Mott
• Mpemba effect – Erasto B. Mpemba
• Müllerian mimicry – Fritz Müller
• Munroe effect – Charles Edward Munroe
• Muraour's law – Henri Muraour (1880–1954)
• Murphy's law – Maj. Edward A. Murphy, Jr.

• Nambu–Goldstone boson (a.k.a. Goldstone boson) – Yoichiro Nambu and Jeffrey Goldstone
• Nash equilibrium – John Forbes Nash
• Nassi–Shneiderman diagram – Isaac Nassi and Ben Shneiderman
• Necker cube – Louis Albert Necker
• Needleman–Wunsch algorithm – Saul B. Needleman and Christian D. Wunsch
• Néel temperature – Louis Néel
• Nernst effect (a.k.a. Nernst–Ettingshausen effect) – Walther Hermann Nernst and Albert von Ettingshausen
• Nernst equation – Walther Hermann Nernst
• Neupert effect – Werner Neupert
• Newcomb's paradox – William Newcomb
• Newton's rings, Newtonian constant of gravitation, mechanics – Isaac Newton
• Noether's theorem – Emmy Noether
• Nordtvedt effect – Kenneth L. Nordtvedt
• Nyquist frequency, Nyquist rate – Harry Nyquist
• Nyquist–Shannon sampling theorem (a.k.a. Nyquist–Shannon–Kotelnikov, Whittaker–Shannon–Kotelnikov, Whittaker–Nyquist–Kotelnikov–Shannon, WKS theorem) – Harry Nyquist, Claude Shannon, Edmund Taylor Whittaker, and Vladimir Kotelnikov

• Oberth effect – Hermann Oberth
• O'Connell effect – Daniel Joseph Kelly O'Connell
• Olbers's paradox – Heinrich Wilhelm Olbers
• Ohm's law – Georg Ohm
• Okun's law – Arthur Okun
• Omori's law – Fusakichi Omori
• Onnes effect – Heike Kamerlingh Onnes
• Oort cloud (a.k.a. Öpik–Oort cloud) – Jan Hendrik Oort (and Ernst Julius Öpik)
• Ostriker–Peebles criterion – Jeremiah P. Ostriker and Jim Peebles
• Ostwald's dilution law, Ostwald process – Friedrich Wilhelm Ostwald
• Overhauser effect – Albert Overhauser
• Ovshinsky effect – Stanford R. Ovshinsky

• Paal–Knorr synthesis – Carl Paal and Ludwig Knorr
• Pareto chart, distribution, efficiency, index, principle – Vilfredo Federico Damaso Pareto
• Pareto–Zipf law (a.k.a. Zipf–Mandelbrot law) – Vilfredo Pareto and George K. Zipf (or Benoît Mandelbrot)
• Parrondo's games, paradox – Juan Manuel Rodríguez Parrondo
• Paschen curve, line, law – Friedrich Paschen
• Paschen–Back effect – Friedrich Paschen and Ernst Back
• Pasteur effect – Louis Pasteur
• Paternò–Büchi reaction – Emanuele Paternò and George Büchi
• Pauli exclusion principle – Wolfgang Pauli
• Peano curve – Giuseppe Peano
• Pearson–Anson effect – Stephen Oswald Pearson and Horatio Saint George Anson
• Péclet number – Jean Claude Eugène Péclet
• Peltier effect – Jean Charles Athanase Peltier
• Perlin noise – Ken Perlin
• Perron–Frobenius theorem – Oskar Perron, and Ferdinand Georg Frobenius
• Petkau effect – Abram Petkau
• Petri dish – Julius Richard Petri
• Petri net – Carl Adam Petri
• Peyer's patches – Johann Conrad Peyer
• Pfeiffer effect – Paul Pfeiffer
• Pfund line/series – August Herman Pfund
• Phillips curve – William Phillips (economist)
• Pigou effect – Arthur Cecil Pigou
• Piobert's law – Guillaume Piobert (1793–1871)
• Pisot–Vijayaraghavan number – Charles Pisot and Tirukkannapuram Vijayaraghavan
• Planck constant, length, mass, time – Max Planck
• Platonic year – Plato
• Pockels effect – Friedrich Carl Alwin Pockels
• Pogson ratio – Norman Robert Pogson
• Poincaré map, section – Henri Poincaré
• Poincaré–Bendixson theorem – Henri Poincaré and Ivar Otto Bendixson
• Poinsot's spirals – Louis Poinsot
• Polchinski's paradox – Joseph Polchinski
• Potts model (a.k.a. Ashkin–Teller model) – Renfrey B. Potts, Julius Ashkin, and Edward Teller
• Pourbaix diagram – Marcel Pourbaix
• Poynting effect, vector – John Henry Poynting
• Poynting–Robertson effect – John Henry Poynting and Howard P. Robertson
• Prandtl number – Ludwig Prandtl
• Primakoff effect – Henry Primakoff
• Proteus phenomenon – Proteus (mythological god)
• Pulfrich effect – Carl P. Pulfrich
• Purkinje effect/shift – Johannes Evangelista Purkinje
• Pygmalion effect (a.k.a. Rosenthal effect, observer-expectancy effect) – Pygmalion (and Robert Rosenthal)
• Pythagorean theorem (a.k.a. Pythagoras's theorem) – Pythagoras

• Rabi oscillations – Isidor Isaac Rabi
• Rademacher distribution, function, series, sum – Hans Adolph Rademacher
• Rademacher–Menchov theorem – Hans Adolph Rademacher and Dmitrii Menshov
• Radon transform – Johann Karl August Radon
• Raman scattering – Chandrasekhara Venkata Raman
• Ramsauer–Townsend effect (a.k.a. Ramsauer effect, Townsend effect) – Carl Ramsauer and John Sealy Townsend
• Ramsden circle/disc/eyepoint, eyepiece – Jesse Ramsden
• Ramsey theory – Frank Plumpton Ramsey
• Rapoport's rule – Eduardo H. Rapoport
• Raychaudhuri's equation – Amal Kumar Raychaudhuri (অমল কুমার রায়চৌধুরী)
• Raygor Estimate Graph – Alton L. Raygor
• Rayleigh criterion, distribution, fading, number, quotient, scattering, waves – Lord Rayleigh
• Rayleigh–Bénard cell/convection – Lord Rayleigh and Henri Bénard
• Rayleigh–Jeans law – Lord Rayleigh and James Jeans
• Rayleigh–Taylor instability – Lord Rayleigh and G. I. Taylor
• Rees–Sciama effect – Martin Rees and Dennis Sciama
• Reidemeister moves – Kurt Reidemeister
• Résal effect – Louis-Jean Résal
• Rescorla–Wagner rule – Robert A. Rescorla and Allan R. Wagner
• Reynolds number, Reynolds analogy – Osborne Reynolds
• Ribot's law (of Retrograde Amnesia) – Théodule-Armand Ribot
• Ricardian equivalence (a.k.a. Barro–Ricardo equivalence, or Ricardo–de Viti–Barro equivalence) – Robert Barro, David Ricardo, and Antonio de Viti de Marco
• Richards controller – Charles L. Richards
• Richardson's constant, equation, law – Owen Willans Richardson
• Richardson number – Lewis Fry Richardson
• Richter magnitude scale – Charles Francis Richter
• Righi–Leduc effect (a.k.a. Leduc–Righi effect) – Augusto Righi and Sylvestre Anatole Leduc
• Ringelmann effect – Max Ringelmann
• Robertson–Walker metric (a.k.a. Friedmann–Robertson–Walker metric) – see Friedmann–Lemaître–Robertson–Walker metric, above
• Roche limit – Édouard Roche
• Roche sphere (a.k.a. Hill sphere) – Édouard Roche (and George William Hill)
• Rollin film – Bernard V. Rollin
• Rosenthal effect (a.k.a. Pygmalion effect, observer-expectancy effect) – Robert Rosenthal (and Pygmalion)
• Rossby waves – Carl-Gustaf Arvid Rossby
• Rossi–Forel scale – Michele Stefano Conte de Rossi and François-Alphonse Forel
• Rössler equation – Otto Rössler
• Rossmann fold – Michael Rossmann
• Royer oscillator – George H. Royer
• Ruelle operator, zeta function – David Ruelle
• Ruelle–Perron–Frobenius theorem – David Ruelle, Oskar Perron, and Ferdinand Georg Frobenius
• Ruhmkorff coil – Heinrich D. Ruhmkorff
• Runge–Lenz vector – see Laplace–Runge–Lenz vector
• Runge's phenomenon – Carle David Tolmé Runge
• Russell's paradox – Bertrand Russell
• Rutherford experiment (a.k.a. Geiger–Marsden experiment), scattering – Ernest Rutherford
• Rybczynski theorem – Tadeusz Rybczynski
• Rydberg constant, formula – Johannes Rydberg
• Rydberg–Klein–Rees method – Johannes Rydberg, Oskar Klein, and Albert Lloyd George Rees

• Sabatier or Sabattier effect – Sabat[t]ier, first name unknown
• Sachs–Wolfe effect – Rainer K. Sachs and Arthur M. Wolfe
• Saffir–Simpson hurricane wind scale – Herbert S. Saffir and Robert ("Bob") Simpson
• Sagnac effect – Georges Sagnac
• Saha ionization equation (a.k.a. Saha–Langmuir equation) – Megh Nad Saha (মেঘনাদ সাহা) (and Irving Langmuir)
• Salem number – Raphaël Salem
• Sapir–Whorf hypothesis – Edward Sapir and Benjamin Whorf
• Sasakian manifold, metric – Shigeo Sasaki
• Say's law – Jean-Baptiste Say
• Scheerer's phenomenon (Blue field entoptic phenomenon) – Richard Scheerer
• Schering Bridge – Harald Schering
• Schild plot, regression analysis – Heinz Otto Schild
• Schmidt law, Schmidt–Kennicutt law – see Kennicutt–Schmidt law, above
• Schottky effect – Walter H. Schottky
• Schröter effect – Johann Hieronymus Schröter
• Schülen–Wilson effect – see Wilson effect, below
• Schuler period, tuning – Maximilian Schuler
• Schultz's rule – Adolph Hans Schultz
• Schumann–Runge bands – Victor Schumann and Carle David Tolmé Runge
• Schwabe solar cycle – Samuel Heinrich Schwabe
• Schwarzschild effect, metric, radius – Karl Schwarzschild
• Scott effect – Elizabeth L. Scott
• Secchi (stellar) class, depth, disk – Pietro Angelo Secchi
• Seebeck effect – Thomas Johann Seebeck
• Seiberg–Witten gauge theory – Nathan Seiberg and Edward Witten
• Seiberg–Witten invariant – Nathan Seiberg and Edward Witten
• Senftleben–Beenakker effect – Hermann Senftleben and Jan J. M. Beenakker
• Sertoli cells – Enrico Sertoli
• Serre duality – Jean-Pierre Serre
• Seyfert galaxy – Carl Keenan Seyfert
• Shapiro effect – Irwin Shapiro
• Shimizu–Morioka attractor, equations – Tatsujiro Shimizu and Nozomi Morioka
• Shubnikov–de Haas effect – Wander Johannes de Haas and Lev Vasiljevich Shubnikov
• Sieberg tsunami intensity scale – August Heinrich Sieberg
• Sieberg–Ambraseys tsunami intensity scale – August Heinrich Sieberg and Nicholas Ambraseys
• Simmons–Smith reaction – Howard Ensign Simmons, Jr.
• Simpson's paradox (a.k.a. Yule–Simpson effect) – Edward H. Simpson (and Udny Yule)
• Simroth's organs – Heinrich Rudolf Simroth
• Smale's horseshoe – Stephen Smale
• Smale–Rössler theorem – Stephen Smale and Otto Rössler
• Smith–Waterman algorithm – Temple F. Smith and Michael S. Waterman
• Snell's law – Willebrord van Roijen Snell
• Soloviev tsunami intensity scale – Sergey L. Soloviev
• Sommerfeld–Kossel displacement law – Arnold Sommerfeld and Walther Kossel
• Sørensen similarity index, similarity coefficient – Thorvald Sørensen
• Spörer's law, Spörer Minimum – Gustav Spörer
• St. Elmo's fire – Erasmus of Formiae
• St. Robert's law (a.k.a. Vieille's law) – Comte Paul Ballada de Saint-Robert, a.k.a. Conte Paolo Ballada di San Roberto (1815–1888)
• Staebler–Wronski effect – David L. Staebler and Christopher R. Wronski
• Stark effect (a.k.a. Stark–Lo Surdo effect) – Johannes Stark (and Antonino Lo Surdo)
• Stark ladder (a.k.a. Wannier–Stark ladder, q.v.) – Johannes Stark and Gregory Hugh Wannier
• Stark–Einstein law – Johannes Stark and Albert Einstein
• Stebbins–Whitford effect – Joel Stebbins and Albert Edward Whitford
• Stefan's constant, law (a.k.a. Stefan–Boltzmann constant, law) – Jožef Stefan (and Ludwig Boltzmann)
• Stensen's duct – Niels Stensen
• Stern–Levison parameter – S. Alan Stern and Harold F. Levison
• Stevens effect – Joseph C. and Stanley Smith Stevens
• Stevens's power law – Stanley Smith Stevens
• Stewart's organs – Charles Stewart
• Stewart–Tolman effect – Thomas Dale Stewart and Richard Chace Tolman
• Stigler's law of eponymy – Stephen Stigler
• Stirling number – James Stirling
• Stokes radius – George Gabriel Stokes
• Stokes shift – George Gabriel Stokes
• Stolper–Samuelson theorem – Paul Samuelson and Wolfgang Stolper
• Strömgren age, photometry, sphere – Bengt Georg Daniel Strömgren
• Strömgren–Crawford photometry – Bengt Georg Daniel Strömgren and David L. Crawford
• Stroop effect – John Ridley Stroop
• Strouhal number – Vincenc Strouhal
• Stueckelberg action – Ernst Carl Gerlach Stueckelberg
• Sturgeon's law – Theodore Sturgeon
• Sturmian trajectories – Charles François Sturm
• Suess effect – Hans Eduard Suess
• Suess solar cycle, DeVries solar cycle, Suess-DeVries solar cycle – Hans Eduard Suess and Hessel de Vries
• Sunyaev–Zel'dovich effect – Rashid Sunyaev and Yakov Zel'dovich
• Syracuse problem – see Collatz conjecture, above
• Szilard–Chalmers effect – Leó Szilárd and Thomas A. Chalmers

• Tait–Bryan angles (a.k.a. Cardan angles, nautical angles) – Peter Guthrie Tait and George H. Bryan
• Talbot effect – William Henry Fox Talbot
• Tanimoto coefficient, distance, measure, score, similarity – Taffee T. Tanimoto
• Taylor cone – Geoffrey Ingram Taylor
• Taylor-Couette flow – Geoffrey Ingram Taylor and Maurice Marie Alfred Couette
• Teller–Ulam design – Edward Teller and Stanislaw Ulam
• Thévenin's theorem – Léon Charles Thévenin
• Thirring effect – see Lense–Thirring effect, above
• Thomas precession – Llewellyn Thomas
• Thomas–Fermi approximation, model – Llewellyn Hilleth Thomas and Enrico Fermi
• Thomson cross-section, effect – William Thomson, 1st Baron Kelvin
• Thomson structure (a.k.a. Widmanstätten pattern) – William (Guglielmo) Thomson (or Count Alois von Beckh Widmanstätten)
• Thorndike's laws (of effect, readiness, and exercise) – Edward L. Thorndike
• Thorson's rule – Gunnar Thorson
• Thouless energy – David J. Thouless
• Thwaites conjecture – see Collatz conjecture, above
• Tiedemann's bodies – Friedrich Tiedemann
• Tiffeneau–Demjanov rearrangement – Marc Tiffeneau and Nikolai Demyanov
• Tobin's q – James Tobin
• Tolman effects – Richard Chace Tolman
• Tolman–Oppenheimer–Volkoff limit – Richard Chace Tolman, J. Robert Oppenheimer, and George Michael Volkoff
• Tonks–Girardeau gas – Lewi Tonks and Marvin D. Girardeau
• Townsend effect (a.k.a. Ramsauer effect, Ramsauer–Townsend effect), ionization coefficient – John Sealy Townsend
• Troxler's effect/fading – Ignaz Paul Vital Troxler
• Tychonoff space – Andrey Nikolayevich Tychonoff
• Tyndall effect/scattering – John Tyndall

• Ulam conjecture – see Collatz conjecture
• Ulam's packing conjecture – Stanislaw Ulam
• Unruh effect – William G. Unruh

• Vackář oscillator – Jirí Vackář
• Van Allen radiation belt – James Van Allen
• Van de Graaff generator – Dr. Robert Jemison Van de Graaff
• Van der Pol equation, oscillator – Balthasar van der Pol
• Van der Waals force – Johannes Diderik van der Waals
• Van Hove singularity – Léon Van Hove
• Vavilovian mimicry – Nikolai Ivanovich Vavilov
• Veblen effect – Thorstein Veblen
• Veitch diagram – see Karnaugh map, above
• Venturi effect – Giovanni Battista Venturi
• Venn diagram – John Venn
• Vieille's law (a.k.a. St. Robert's law, often misspelled as Vielle's law) – Paul Marie Eugène Vieille
• Vierordt's law – Karl von Vierordt
• Vogel-Fulcher-Tammann equation – Hans Vogel, Gordon Scott Fulcher, and Gustav Tammann
• Vogt–Russell theorem – Heinrich Vogt and Henry Norris Russell
• Voigt effect, notation, profile – Woldemar Voigt
• Voigt material – see Kelvin–Voigt material, above
• Von Klitzing constant – Klaus von Klitzing
• Von Neumann ordinal, von Neumann architecture – John von Neumann
• Von Restorff effect – Hedwig von Restorff
• Von Zeipel theorem – Edvard Hugo von Zeipel

• Wadati–Benioff zone (a.k.a. Benioff zone) – Kiyoo Wadati and Hugo Benioff
• Wahlund effect – Sten Gösta William Wahlund
• Wallace's line – Alfred Russel Wallace
• Walras's law – Léon Walras
• Wannier function, orbital – Gregory Wannier
• Wasserman 9-Panel Plot – Karlman Wasserman
• Wannier–Stark ladder (a.k.a. Stark ladder) – Gregory Wannier and Johannes Stark
• Warburg effect – Otto Warburg
• Waring's problem (a.k.a. Hilbert–Waring theorem) – Edward Waring (and David Hilbert)
• Weber–Fechner law (Weber's law, Fechner's law) – Ernst Heinrich Weber and Gustav Theodor Fechner
• Weberian apparatus – Ernst Heinrich Weber
• Weierstrass–Casorati theorem – Karl Theodor Wilhelm Weierstrass and Felice Casorati
• Weierstrass's elliptic functions, factorization theorem, function, M-test, preparation theorem – Karl Theodor Wilhelm Weierstrass
• Wien bridge – Max Wien
• Weissenberg effect – Karl Weissenberg
• Wess–Zumino–Witten model – Julius Wess, Bruno Zumino and Edward Witten
• Wess–Zumino model – Julius Wess, Bruno Zumino
• Westermarck effect – Edvard Westermarck
• Weston cell – Edward Weston
• Wheatstone bridge – Charles Wheatstone (improved and popularized it; the inventor was Samuel Hunter Christie)
• Whittaker function, integral, model – Edmund Taylor Whittaker
• Whittaker–Shannon interpolation formula – Edmund Taylor Whittaker, John Macnaghten Whittaker, Claude Shannon
• Widmanstätten pattern (a.k.a. Thomson structure) – Count Alois von Beckh Widmanstätten (or William (Guglielmo) Thomson)
• Widom line – Benjamin Widom
• Widrow–Hoff least mean squares filter – Bernard Widrow and Ted Hoff
• Wiedemann–Franz law – Gustav Wiedemann and Rudolf Franz
• Wiegand effect – John R. Wiegand
• Wien bridge (Wien's bridge), constant, effect, law – Wilhelm Wien
• Wiener filter, process – Norbert Wiener
• Wigmore chart – John Henry Wigmore
• Wigner energy, Wigner effect – Eugene Wigner
• Wigner–Seitz cell – Eugene Wigner and Frederick Seitz
• Wilson cycle – John Tuzo Wilson
• Wilson effect – Alexander Wilson
• Wilson–Bappu effect – Olin Chaddock Wilson and Manali Kallat Vainu Bappu
• Witten index – Edward Witten
• Wollaston prism – William Hyde Wollaston
• Woodward–Hoffmann rules – Robert Burns Woodward and Roald Hoffmann
• Wolf effect – Emil Wolf
• Wulf bands – Oliver R. Wulf
• Wulff–Dötz reaction – William Wulff and Karl Heinz Dötz

• Yarkovsky effect – Ivan Osipovich Yarkovsky
• YORP effect – Ivan Osipovich Yarkovsky, John A. O'Keefe, Vladimir Vyacheslavovich Radzievskii, and Stephen J. Paddack
• Young diagram (a.k.a. Ferrers diagram), Young tableau – Alfred Young
• Young's modulus – Thomas Young
• Yule–Simpson effect (a.k.a. Simpson's paradox) – Edward H. Simpson and Udny Yule

• Zeeman effect – Pieter Zeeman
• Zeigarnik effect – Bluma Zeigarnik
• Zener effect – Clarence Melvin Zener
• Zeno effect – Zeno of Elea
• Zipf's law – George K. Zipf
• Zipf–Mandelbrot law (a.k.a. Pareto–Zipf law) – George K. Zipf and Benoît Mandelbrot (or Vilfredo Pareto)

• Eponyms
• Fields of science
• List of eponymous laws
• List of eponymous medical signs
• List of scientists
• Lists of etymologies
• List of eponymous diseases
• List of fluid flows named after people
• List of hydrodynamic instabilities named after people
• List of waves named after people
• Scientific constants named after people
• Scientific laws named after people