Last name Kirianov (Кирьянов 
, Kirianov 
, Кирянов 
) , throughout the world, is a common family name. The surname Kirianov is habitual in Russia, where it is quite a rare surname, Belarus, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Кирьянов | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Kirianov | Spain, Belarus, United States, Belgium, Russia |
| Кирянов | Bulgaria, Russia, Kazakhstan, Ukraine |
| Кирианов | Russia |