Gay is a surname. Notable people with the surname include:
Bill Gay (American football) (born 1927), American football playerBram Gay Trumpet player and brass band enthusiastBrian Gay, American golferCesc Gay (born 1967) movie directorClaude Gay, French botanistConnie B. Gay (1914–1989), American country music promoterDavid Gay (1920–2010), British Army officer, recipient of the Military Cross, and English cricketerEdwin Francis Gay (1867-1946), American economistEnola Gay, name of the plane that dropped an atomic bomb on Hiroshima in 1945, named after the mother of Paul TibbetsGeorge H. Gay, Jr. (1917–1994), Naval aviator in World War IIGeorge K. Gay (1810–1882), English sailor and pioneer who participated in Oregon's Provisional GovernmentHenry M. Gay, one of three founders of Triad Systems Corporation, now known as ActivantHobart R. Gay (1894–1983), American generalJacques Etienne Gay (1786–1864) French botanistJason Gay, birth name of contemporary Christian singer-songwriter Jason Gray. He had many recording and releases as Jason Gay before changing his name to GrayJean Baptiste Gay, vicomte de Martignac (1778–1832), French statesmanJohn Gay (1685–1732), English dramatistJohn Gay (photographer) (1909–1999), English photographerJonathan Gay, inventor of Macromedia FlashJosé Aurelio Gay (born 1965), Spanish football player and managerJoseph Louis Gay-Lussac (1778–1850), French physicistMabel Gay (born 1983), Cuban triple jumperMaria Gay (1879–1943), Catalan opera singerMarvin Gay, Sr. (1914–1998), American minister of the House of GodNikolai Ge or Gay (1831–1894), Russian painterNoel Gay (1898–1954), English composer of popular musicPaul Gay (born 1968), French opera singerPeter Gay (1923–2015), German-born U.S. historianRandall Gay (born 1982), American football player, currently playing for the New Orleans SaintsRobert Gay (MP) (died 1738), English MPRobert C. Gay (born 1951), a general authority of The Church of Jesus Christ of Latter-day SaintsRobert J. Gay, American palaeontologistRobert Marie Gay (1927–2016), Canadian-born Ugandan Roman Catholic prelate, Bishop of Kabale (1996–2003)Ross Gay, American poet and professorRudy Gay (born 1986), American professional basketball player, currently with the Sacramento KingsSusan Elizabeth Gay, chronicler of the history of Old FalmouthTyson Gay (born 1982), American sprinterWilliam Gay (disambiguation), several peopleVirginia Gay (born 1981), Australian actress