| Fernando | | fer-NAHN-do (Spanish) | Spanish, Portuguese | |
| 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 | |
| FlÁVio | | - | Portuguese | |
| Florencio | | flo-REN-thyo (Spanish), flo-REN-syo (Latin American Spanish) | Spanish, Portuguese | |
| Florinda | | flo-REEN-dhah (Spanish) | Spanish, Portuguese | |
| Fortunata | | - | Italian, Spanish, Portuguese, Late Roman | |
| Fortunato | | - | Italian, Spanish, Portuguese | |
| Francisca | | frahn-THEES-kah (Spanish), frahn-SEES-kah (Latin American Spanish), frən-SEESH-kə (Portuguese) | Spanish, Portuguese, Late Roman | |
| Francisco | | frahn-THEES-ko (Spanish), frahn-SEES-ko (Latin American Spanish), frən-SEESH-koo (Portuguese) | Spanish, Portuguese | |
| Fred | | FRED (English, French, Portuguese), FRET (Dutch, German) | English, Dutch, German, French, Portuguese | |
| Frederica | | frə-də-REE-kə (Portuguese), fred-REE-ka (English), fred-ə-REE-kə (English) | Portuguese, English | |
| Frederico | | frə-də-REE-koo | Portuguese | |