| FelÍCia | | - | Hungarian, Portuguese | |
| Feliciano | | fe-lee-CHYAH-no (Italian), fe-lee-THYAH-no (Spanish), fe-lee-SYAH-no (Latin American Spanish) | Italian, Spanish, Portuguese | |
| Felicidade | | - | Portuguese | |
| Felipe | | fe-LEE-pe (Spanish) | Spanish, Portuguese (Brazilian) | |
| Felipinho | | - | Portuguese (Brazilian) | |
| Femi | | - | Western African, Yoruba | |
| Fen (1) | | - | Chinese | |
| FernÃO | | - | Portuguese | |
| Fernanda | | fer-NAHN-dah (Spanish) | Spanish, Portuguese, Italian | |
| Fernando | | fer-NAHN-do (Spanish) | Spanish, Portuguese | |
| Fiera | | fee-E-rah | Esperanto | |
| Filipa | | fee-LEE-pah (Polish) | Portuguese, Serbian, Croatian, Polish | |
| Filipe | | fee-LEEP, fee-LEE-pə | Portuguese | |
| Filomena | | fee-lo-ME-nah (Italian) | Italian, Spanish, Portuguese, Dutch | |
| FlÁVia | | - | Portuguese | |