| Nicholai | Man | Slavic Names |
| Nicholas | Man | Greek Names |
| Nichole | Woman | American Names |
| Nichols | Unisex | English Names |
| Nicholson | Man | English Names |
| Nicholya | Woman | Slavic Names |
| Nick | Man | Greek Names |
| Nickan | Woman | American Names |
| Nicki | Woman | English Names |
| Nicklaus | Man | German Names |
| Nicky | Unisex | English Names |
| Nico | Man | Italian Names |
| Nicodemus | Man | Greek Names |
| Nicola | Unisex | English Names |
| Nicolao | Man | Portuguese Names |
| Nicolas | Man | Greek Names |
| Nicole | Woman | French Names |
| Nicolette | Woman | French Names |
| Nicoline | Woman | American Names |
| Nida | Unisex | Native American - Omaha Names |