Cognomen צ'ירו (Ciro 
, צ'ירו 
) , across the world, is a common family name. The last name צ'ירו is characteristic of Latin America and the Caribbean, particularly Mexico, where it is quite a common surname, Colombia, and Venezuela, where it is quite a rare surname. More prevalently, צ'ירו is the forename as well as the last name.