Last name דיא (Dia 
, דיא 
) , worldwide, is a widespread family name. The surname דיא is habitual in Senegal, where it is a common surname, Mauritania, and Lebanon, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Senegal, Indonesia, and Algeria. Very seldom, דיא is the forename as well as the last name.