Cognomen Stasya (Стася 
, Stasya 
) , around the world, is a rare surname. The cognomen Stasya is characteristic of Belarus, where it is a rare surname, Russia, and Indonesia, where it is a very rare surname. More frequently, Stasya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Стася | Kazakhstan, Russia, United States, Belarus, Ukraine |
| Stasya | Kazakhstan, Russia, Indonesia, United States, Ukraine |