| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| 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 |