Cognomen Рязанец (Рязанец 
) , in the world, is a very rare surname. The family name Рязанец is habitual in Kazakhstan, where it is a very rare surname, Russia, and Ukraine, where it is an extremely rare surname. Very seldom, Рязанец is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Рязанец | Kazakhstan, Russia, Ukraine |