Surname Nastasya (Настасья 
, Nastasya 
, Настася 
) , in the entire world, is a rare cognomen. The cognomen Nastasya is habitual in Belarus, where it is a rare surname, Indonesia, and Russia. More frequently, Nastasya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Настасья | Ukraine, Kazakhstan, Russia, Belarus, Kyrgyzstan |
| Nastasya | Uzbekistan, Malaysia, France, Indonesia, Russia |
| Настася | Ukraine, Russia, Bulgaria, Kazakhstan |