Surname Masja (Маша 
, ماشا 
, Masja 
) , worldwide, is a common family name. The last name Masja is habitual in Eastern Europe, particularly Moldova, where it is quite a common surname, Belarus, and Russia, where it is quite a rare surname. Likewise, Masja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Маша | Uzbekistan, Moldova, Russia, Belarus, Ivory Coast |
| ماشا | Algeria, Syria, Iraq, Egypt, Sudan |
| Masja | Denmark, United States, France, Indonesia, Netherlands |
| Мася | Ukraine, Russia, Kazakhstan |