Family name Кузьмичьов (Кузьмичьов 
) , across the world, is a very rare cognomen. The family name Кузьмичьов is habitual in Eastern Europe, particularly Ukraine, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Кузьмичьов | Ukraine |
Kuzmichov, and Kuzmichyov