Cognomen Mths (مطحس 
, Mths 
) , globally, is a rare last name. The cognomen Mths is habitual in Saudi Arabia, where it is a rare surname, France, where it is a very rare surname, and Thailand, where it is an extremely rare surname. More prevalently, Mths is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| مطحس | Saudi Arabia |
| Mths | Brazil, United States, Thailand, France |