Cognomen Maamoon (مامون 
, Maamoon 
) , across the world, is a common last name. The surname Maamoon is habitual in Sudan, where it is quite a common surname, Egypt, where it is quite a rare surname, and Saudi Arabia. More frequently, Maamoon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| مامون | Iraq, Jordan, Egypt, Sudan, Palestinian Territory |
| Maamoon | Saudi Arabia, Syria, Lebanon, Iraq, Egypt |