Cognomen Bielousova (Bielousova 
) , around the world, is a very rare surname. The last name Bielousova is habitual in Eastern Europe, particularly Poland, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bielousova | Poland, Ukraine |
Bielousová, Биелоусова, and Бєлоусова