Last name Байцаев (Байцаев 
) , throughout the world, is a very rare cognomen. The surname Байцаев is habitual in Eastern Europe, particularly Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Байцаев | Russia |
| байцаев, владислав борисович Russian amateur wrestler, RU (b. 1990) |
|