SGN

SGN can refer to:

• SGN (company), a gas distribution company operating in Scotland and southern England
• The airport code for Tan Son Nhat International Airport, Ho Chi Minh City, Vietnam
• The National Rail station code for South Greenford railway station, London, England
• Sélection de Grains Nobles, a French term for sweet wines made from grapes affected by noble rot
• Some Good News, a YouTube series
• Samsung Galaxy Note, a series of mobile phones
• Seattle Gay News, owner of the sgn.org domain

In mathematics[edit]

• sgn(x), the sign function
• sgn(σ), the signature of a permutation

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