| NathÁLia | | - | Portuguese (Brazilian) | |
| Nela | | - | Croatian, Slovak, Portuguese, Czech | |
| Nelinha | | - | Portuguese | |
| Nelinho | | - | Portuguese | |
| Netuno | | - | Portuguese (Brazilian) | |
| Neves | | - | Portuguese | |
| Nico | | NEE-ko (Italian, Dutch, Spanish) | Italian, Dutch, German, Spanish, Portuguese | |
| Nicodemo | | nee-ko-DE-mo (Italian), nee-ko-DHE-mo (Spanish) | Italian, Spanish, Portuguese | |
| Nicolau | | nee-koo-LOW (Portuguese) | Portuguese, Galician, Catalan | |
| Nilda | | - | Spanish, Portuguese | |
| NoÉ | | no-E (French, Spanish) | French, Spanish, Portuguese | |
| NoÊMia | | - | Portuguese | |
| NoemÍ | | no-e-MEE (Spanish) | Spanish, Portuguese | |
| Norberto | | nor-BER-to (Spanish, Italian) | Spanish, Portuguese, Italian | |
| Nuno | | - | Portuguese, Medieval Portuguese | |