Family name Sunyo (Sunyo 
) , across the world, is a very rare surname. The family name Sunyo is habitual in Thailand, where it is a very rare surname, Indonesia, and Venezuela, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in South-eastern Asia, particularly Thailand, Indonesia, and Philippines. Very seldom, Sunyo is the forename as well as the last name.