Family name עתו (Itto 
, עתו 
) , in the world, is a rare cognomen. The last name עתו is habitual in Morocco, where it is a rare surname, Hungary, and Italy, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Morocco, Indonesia, and Brazil. More prevalently, עתו is the forename as well as the last name.