Last name Mutasim (معتصم 
, Mutasim 
, Мутасим 
) , all around the world, is a common family name. The cognomen Mutasim is characteristic of Sudan, where it is quite a common surname, Libya, and Syria, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Sudan, Egypt, and Saudi Arabia. More frequently, Mutasim is the forename as well as the last name.