Surname Tsvilev (Tsvilev 
, Цвилев 
) , across the world, is a very rare family name. The surname Tsvilev is characteristic of Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tsvilev | Russia |
| Цвилев | Russia, Ukraine |