Cognomen Gamzo (Gamzo 
) , in the entire world, is a very rare family name. The last name Gamzo is characteristic of Israel, where it is a very rare surname, Nigeria, and South Africa, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Nigeria, the United States, and Israel. Also, Gamzo is the forename as well as the last name.