Sainz is a surname. Notable people with the surname include:
Adolfo Fernández Sainz (born 1947), Cuban journalist Alberto Sainz (born 1937), Argentine association football player Bernard Sainz (born 1943), French unlicensed sports doctor, convicted for administering doping Borja Sainz (born 2001), Spanish association football player Carlos Sainz (born 1962), Spanish rally driver Carlos Sainz Jr. (born 1994), Spanish racing driver, son of Carlos Sainz Casimiro Sainz (1853–1898), Spanish painter Enrique Sáinz (1917–1999), Spanish field hockey player Faustino Sainz Muñoz (born 1937), Spanish prelate of the Roman Catholic Church Gustavo Sainz (born 1940), Mexican writer Inés Sainz (born 1978), Mexican journalist Inés Sáinz Esteban, Spanish beauty pageant Joana Sainz García (1989–2019), Spanish singer, dancer, and songwriter who was killed onstage by a faulty pyrotechnic José Sáinz Nothnagel (1907–1984), Spanish right-wing activist and politician Karina Sainz Borgo (born 1982), Venezuelan journalist and writer Lolo Sainz (born 1940), Spanish former basketball player and coach Lucía Sainz (born 1984), Spanish tennis and padel player Luis Sáinz Hinojosa (born 1936), Bolivian prelate of the Catholic Church Pablo Sáinz Villegas (born 1977), Spanish classical guitarist Pedro Sainz Rodríguez (1897–1986), Spanish writer, philologist, publisher and politician Regino Sainz de la Maza (1896–1981), Spanish classical guitarist Renato Sáinz (1899–1982), Bolivian association football player Severiano Sainz y Bencamo (1871–1937), the second Bishop of the Roman Catholic Diocese of Matanzas (1915–1937) Steven Sainz (born 1994), US politician, Republican member of the Georgia House of Representatives Tina Sainz (born 1945), Spanish actress
See also Sanz (disambiguation)