| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Nikol | - | Czech, Bulgarian | ||
| Nikola (1) | - | Serbian, Croatian, Slovene, Bulgarian, Macedonian, Hungarian, Czech, Basque, Medieval Slavic | ||
| Nikolai | nee-kah-LIE (Russian) | Russian, Bulgarian | ||
| Nikolay | nee-kah-LIE (Russian) | Russian, Bulgarian | ||
| Nikolina | - | Bulgarian, Croatian, Serbian, Macedonian |