| Florentina | | - | Spanish, Late Roman | |
| Florentino | | - | Spanish | |
| Florina | | - | Romanian, Spanish, Dutch, Late Roman | |
| Florinda | | flo-REEN-dhah (Spanish) | Spanish, Portuguese | |
| Fortunata | | - | Italian, Spanish, Portuguese, Late Roman | |
| Fortunato | | - | Italian, Spanish, Portuguese | |
| Fran | | FRAN (English) | Spanish, English, Croatian, Slovene | |
| 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 | |
| Fulgencio | | fool-KHEN-thyo (Spanish), fool-KHEN-syo (Latin American Spanish) | Spanish | |