Sy

Sy is a given name, nickname/hypocorism (often of Seymour) and surname which may refer to:

In arts and entertainment

 * Brigitte Sy (born 1956), French actress and filmmaker
 * Latyr Sy (born 1972), Senegalese singer and percussionist
 * Leïla Sy (born 1977), French director
 * Omar Sy (born 1978), French actor and comedian
 * Oumou Sy (born 1952), Senegalese fashion designer

In sports

 * Amara Sy (born 1981), Malian-French basketball player
 * Baba Sy (1935–1978), Senegalese draughts player, first world champion from Africa
 * Cheikha Sy (born 1990), Senegalese footballer
 * Founéké Sy (born 1986), Malian footballer
 * Moussa Sy, Guinean football player
 * Pape Sy (born 1988), French-Senegalese basketball player
 * Bandja Sy (born 1990), Malian-French basketball player

In politics

 * Chan Sy (1932–1984), Cambodian politician, Prime Minister of the People's Republic of Kampuchea from 1981 to 1984
 * Ousmane Sy (born 1949), Malian politician
 * Seydina Oumar Sy (born 1937), Senegalese politician, Foreign Minister of Senegal from 1990 to 1991

In other fields

 * Frédéric Sy, 19th and 20th century French astronomer
 * Henry Sy (1924–2019), Chinese-Filipino billionaire, business magnate, investor and philanthropist
 * Malick Sy (1855–1922), Senegalese Muslim religious leader and teacher
 * Polly Sy, Filipino mathematician

In arts and entertainment

 * Sy Barry (born 1928), American comic-book and comic-strip artist best known for his work on the strip The Phantom
 * Sy Gomberg (1918–2001), American film screenwriter and producer
 * Sy Montgomery (born 1958), German-American naturalist, author and scriptwriter
 * Sy Oliver (1910–1988), American jazz arranger, trumpeter, composer, singer and bandleader
 * Sy Richardson (born 1941), American actor
 * Sy Smith (born 1978), American R&B/soul singer
 * Sy Wexler (1916–2005), American documentary filmmaker

In business

 * Sy Berger (1923–2014), Topps company employee considered the father of the modern baseball card
 * Sy Syms (1926–2009), American businessman, entrepreneur and philanthropist
 * Seymour G. Sternberg (born 1943), chairman and former CEO of New York Life Insurance Company

In sports

 * Sylvester Blye (born 1938), American basketball player
 * Seymour Cromwell (1934–1977), American rower
 * Sy Sanborn (1866–1934), American sportswriter
 * Sy Sutcliffe (1862–1893), American baseball player

In other fields

 * Sy Friedman (born 1953), American-Austrian mathematician and professor
 * Seymour Hersh (born 1937), American investigative journalist and political writer
 * Seymour Liebergot (born 1936), retired NASA flight controller
 * Sy Montgomery (born 1958), German-American naturalist, author and scriptwriter

In fiction

 * Sy Snootles, a Star Wars character
 * Sy Bisti, a fictional language in the Star Wars universe
 * Sy Ableman, a character from A Serious Man
 * Sy Rubinek, a character from Sneaky Pete
 * Seymour "Sy" Parrish, a character from One Hour Photo