Family name Сося (Sosia 
, Sosya , Сося 
) , in the entire world, is a rare last name. The surname Сося is characteristic of Morocco, where it is quite a rare surname, Georgia, where it is a rare surname, and Malaysia, where it is a very rare surname. In absolute terms, it is commonest in Morocco, Indonesia, and India. Also, Сося is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sosia | Indonesia, Morocco, United States, India, Argentina |
| Sosya | Morocco, Argentina, India, United States |
| Сося | Russia, Ukraine |