Cognomen Иго (Igo 
, Ies 
, Ygo 
) , all around the world, is quite a common last name. The cognomen Иго is characteristic of Papua New Guinea, where it is quite a rare surname, Indonesia, where it is a rare surname, and Mali. In absolute terms, it most frequently occurs in Indonesia, the United States, and Nigeria. Likewise, Иго is the forename as well as the last name.