Cognomen Sdam (Sdam 
, صدأم 
, سدام 
) , in the world, is quite a rare surname. The last name Sdam is habitual in Northern Africa, particularly Morocco, where it is a rare surname, Sudan, and Libya. In absolute terms, this name is the most popular in Northern Africa, particularly Egypt, Morocco, and Sudan. More prevalently, Sdam is the forename as well as the last name.