Surname Msmm (مصمم 
, Msmm 
) , in all the world, is a rare last name. The last name Msmm is characteristic of Saudi Arabia, where it is a rare surname, Egypt, and Yemen, where it is a very rare surname. In absolute terms, it is the most numerous in Egypt, Saudi Arabia, and Iran. More frequently, Msmm is the forename as well as the last name.