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 | Moldova, Belarus, Ivory Coast, Russia, Uzbekistan |
| ماشا | Sudan, Algeria, Syria, Iraq, Egypt |
| Masja | Netherlands, France, United States, Denmark, Indonesia |
| Мася | Russia, Kazakhstan, Ukraine |