Family name Билаонов (Билаонов 
) , throughout the world, is a very rare surname. The last name Билаонов is habitual in Eastern Europe, particularly Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Билаонов | Russia |
| билаонов павел семёнович Soviet politician (1919-1996), RU (b. 1919) |
|