Cognomen المجنون (المجنون 
) , throughout the world, is a common surname. The surname المجنون is characteristic of Northern Africa, particularly Morocco, where it is quite a common surname, Algeria, and Libya. Not in comparison with a country's population, this name is the most popular in Northern Africa, particularly Morocco, Algeria, and Egypt. Much less frequently, المجنون is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| المجنون | Egypt, Algeria, Sudan, Morocco, Iraq |