| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Nicole | nee-KOL (French), ni-KOL (English) | French, English, Dutch, German | ||
| Nidia | - | Spanish | ||
| Niels (1) | NILS | Danish | ||
| Nienke | NEEN-kə | Frisian | ||
| Nieve | - | Spanish | ||
| Nieves | NYE-ves | Spanish | ||
| Nigel | NIE-jəl | English | ||
| Nigella | - | English (Rare) | ||
| Nigellus | - | English (Archaic) | ||
| Nigul | - | Estonian | ||
| Niilo | NEE:-lo | Finnish | ||
| Niina | NEE:-nah | Finnish | ||
| Nik | - | English, Greek, Slovene | ||
| Nika (1) | - | Russian | ||
| Nika (2) | - | Slovene, Croatian |