Around the world, مؤثر (مؤثر 
) is a very rare male given name. The given name مؤثر is habitual in Western Asia, particularly Oman, where it is quite a rare masculine name. Also, مؤثر is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| مؤثر | Oman, Iran |