Surname ادو (Ado 
, Adu , Addo 
) , globally, is a widespread last name. The cognomen ادو is characteristic of Ghana, where it is a widespread surname, Mongolia, where it is a common surname, and Nigeria, where it is quite a common surname. Not in comparison with a country's population, it most frequently occurs in Nigeria, Ghana, and Indonesia. Also, ادو is the forename as well as the last name.