Cognomen الوتر (الوتر 
) , all over the world, is quite a rare last name. The last name الوتر is habitual in Yemen, where it is quite a rare surname, Sudan, where it is a rare surname, and Saudi Arabia. Likewise, الوتر is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| الوتر | Iraq, Egypt, Yemen, Sudan, Saudi Arabia |