Cognomen Жастина (Жастина 
) , around the globe, is an extremely rare last name. The family name Жастина is characteristic of Central Asia, particularly Kyrgyzstan, where it is a very rare surname. Also, Жастина is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Жастина | Kyrgyzstan, Russia |