Family name Roslavtsev (Roslavtsev 
, Рославцев 
) , in all the world, is a rare cognomen. The last name Roslavtsev is habitual in Cyprus, where it is quite a rare surname, Belarus, where it is a rare surname, and Ukraine. In absolute terms, it most frequently occurs in Eastern Europe, particularly Russia, Ukraine, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Roslavtsev | Russia, United States, Cyprus, Ukraine |
| Рославцев | Belarus, Russia, Kazakhstan, Ukraine |