Cognomen דיאלו (Diallo 
, דיאלו 
) , in the world, is a widespread family name. The surname דיאלו is characteristic of Guinea, where it is a prevalent surname, Senegal, and Guam, where it is a widespread surname (explore the name in all countries). In absolute terms, it most frequently occurs in Sub-Saharan Africa, particularly Senegal, Guinea, and Mali. Very seldom, דיאלו is the forename as well as the last name.