Surname Кольчев (Кольчев 
, Kolchev 
) , all over the world, is quite a rare family name. The family name Кольчев is characteristic of Bulgaria, where it is quite a common surname, North Macedonia, where it is quite a rare surname, and Belarus, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Bulgaria, Russia, and North Macedonia.
| VARIANT | COUNTRY |
|---|---|
| Кольчев | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Kolchev | Russia, North Macedonia, Bulgaria, United States, France |