Surname איזו (Isou 
, איזו 
) , across the world, is a rare last name. The cognomen איזו is habitual in Algeria, where it is a rare surname, Morocco, and Greece, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Algeria, Morocco, and Nigeria. Likewise, איזו is the forename as well as the last name.