| Naenia | | - | Roman Mythology | |
| Naevius | | - | Ancient Roman | |
| Narcisa | | - | Portuguese, Spanish, Italian, Romanian | |
| Narcissa | | nar-SIS-ə (English) | Late Roman | |
| Narcissus | | nar-SIS-əs (English) | Greek Mythology (Latinized), Late Roman, Biblical | |
| Natalia | | nah-TAH-lyah (Polish, Italian, Spanish) | Polish, Italian, Spanish, Romanian, Georgian, Late Roman | |
| Natalius | | - | Late Roman | |
| Nazarenus | | - | Late Roman | |
| Nazarius | | - | Late Roman | |
| Neculai | | - | Romanian | |
| Nelu | | - | Romanian | |
| Neptune | | NEP-toon (English), NEP-tyoon (English), NEP-choon (English) | Roman Mythology (Anglicized) | |
| Neptunus | | - | Roman Mythology | |
| Nero (1) | | NEER-o (English) | Ancient Roman | |
| Nerva | | - | Ancient Roman | |