Family name Sousso (Sousso 
) , all over the world, is a rare surname. The last name Sousso is characteristic of Senegal, where it is quite a rare surname, Tunisia, and Morocco, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Senegal, Morocco, and Algeria. Likewise, Sousso is the forename as well as the last name.