Family name Diabel (Diabel 
) , worldwide, is a rare last name. The surname Diabel is habitual in Senegal, where it is quite a rare surname, the Republic of the Congo, and Austria, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Senegal, the Republic of the Congo, and Algeria. More frequently, Diabel is the forename as well as the last name.