Cognomen ניקולוב (Nikolov 
, ניקולוב 
) , in all the world, is a common family name. The family name ניקולוב is habitual in Bulgaria, where it is a prevalent surname, North Macedonia, where it is a common surname, and Serbia, where it is quite a common surname. Much less frequently, ניקולוב is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nikolov | North Macedonia, Serbia, United States, Bulgaria, Greece |
| ניקולוב | Israel |