| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Nieves | NYE-ves | Spanish | ||
| Nilda | - | Spanish, Portuguese | ||
| NoÉ | no-E (French, Spanish) | French, Spanish, Portuguese | ||
| Noelia | - | Spanish | ||
| NoemÍ | no-e-MEE (Spanish) | Spanish, Portuguese | ||
| Nohemi | - | Spanish | ||
| Norberto | nor-BER-to (Spanish, Italian) | Spanish, Portuguese, Italian | ||
| NuÑO | - | Medieval Spanish | ||
| Nuria | - | Spanish | ||
| Nydia | NID-ee-ə (English) | English (Rare), Spanish, Literature | ||
| Obdulia | - | Spanish | ||
| Octavia | ahk-TAYV-ee-ə (English) | English, Spanish, Ancient Roman | ||
| Octavio | ok-TAH-vyo | Spanish | ||
| Odalis | - | Spanish | ||
| Odalys | - | Spanish |