Fonsi Look up fonsi in Wiktionary, the free dictionary. Fonsi may refer to: Luis Fonsi (born 1978), Puerto Rican singer Fonsi Nieto (born 1978), Spanish motorcycle racer Fonsi (footballer) (born 1986), Spanish footballer FONSI (finding of no significant impact) See also[edit] Search for "fonsi" on Wikipedia. All pages with titles beginning with Fonsi All pages with titles containing Fonsi Fonzie Fonzi (disambiguation) Fonzy Fozzie Fozzy (disambiguation) Topics referred to by the same term This disambiguation page lists articles associated with the title Fonsi.If an internal link led you here, you may wish to change the link to point directly to the intended article.