Last name Диав (Diaw 
, Диав 
, Diavs) , in the world, is a common family name. The surname Диав is habitual in Sub-Saharan Africa, particularly Senegal, where it is a common surname, Mauritania, where it is quite a common surname, and Gabon, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Senegal, France, and Mali. Much less frequently, Диав is the forename as well as the last name.