Family name Mamoon (مامون 
, مأمون 
, Mamoon 
) , around the world, is a common surname. The cognomen Mamoon is habitual in Sudan, where it is quite a common surname, Egypt, where it is quite a rare surname, and Syria. Measured by absolute frequency, it is commonest in Sudan, Bangladesh, and Egypt. Likewise, Mamoon is the forename as well as the last name.