| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| NIKOLAS | - | Greek, English | ||
| NIKOLAUS | NI-ko-lows | German | ||
| NIKOLAY | nee-kah-LIE (Russian) | Russian, Bulgarian | ||
| NIKOLCHE | - | Macedonian | ||
| NIKOLE | ni-KOL (English) | Basque, English | ||
| NIKOLETA | - | Greek | ||
| NIKOLETT | - | Hungarian | ||
| NIKOLINA | - | Bulgarian, Croatian, Serbian, Macedonian | ||
| NIKOLOZ | - | Georgian | ||
| NIKOMACHOS | - | Ancient Greek | ||
| NIKOMEDES | - | Ancient Greek | ||
| NIKON | - | Ancient Greek, Russian | ||
| NIKORA | - | Maori | ||
| NIKOSTRATOS | - | Ancient Greek | ||
| NIKUSHA | - | Georgian |