Cleto may refer to:

People Albino Mamede Cleto (1935–2012), Portuguese Roman Catholic bishop Cleto Bellucci (1921–2013), Italian Prelate of Roman Catholic Church Cleto Escobedo III (1966–2025), American musician and bandleader Cleto González Víquez (1858–1937), Costa Rican president Cleto Maule (1931–2013), Italian racing cyclist Cleto Rodríguez, American soldier Isaac Cleto Hassan, South Sudanese physician and politician Maikel Cleto (born 1989), Dominican baseball pitcher

Places Cleto, Calabria, town in the province of Cosenza in southern Italy José Cleto Airport, also known as União da Vitória Airport, Brazil