Surname Христьянов (Христьянов 
) , all over the world, is an extremely rare family name. The family name Христьянов is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Христьянов | Russia, Ukraine |
Hristianov, Khristianov, and Khristyanov