| NIKAU | | - | Maori | |
| NIKE | | - | Greek Mythology, Ancient Greek | |
| NIKEISHA | | ni-KEE-shə | African American (Rare) | |
| NIKEPHOROS | | - | Ancient Greek, Greek Mythology | |
| NIKETA | | - | Indian, Marathi, Hindi | |
| NIKETAS | | - | Ancient Greek | |
| NIKHIL | | - | Indian, Hindi, Marathi, Gujarati, Odia, Telugu, Malayalam, Kannada, Tamil | |
| NIKHILA | | - | Indian, Telugu, Hindi | |
| NIKIAS | | - | Ancient Greek | |
| NIKICA | | - | Croatian, Serbian | |
| NIKIFOR | | - | Russian, Bulgarian, Macedonian | |
| NIKITA (1) | | nee-KEE-tah (Russian) | Russian, Ukrainian, Belarusian | |
| NIKITA (2) | | - | Indian, Marathi, Hindi | |
| NIKKI | | NIK-ee | English | |
| NIKKOLE | | ni-KOL | English (Rare) | |