| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 521 | Fidele | Spanish | Faithful. | M | |
| 522 | Filipa | Spanish | Spanish form of Phillipa: loves horses. | F | |
| 523 | Flaminio | Spanish | Priest. | M | |
| 524 | Flavio | Spanish | Blond. | M | |
| 525 | Flor | Spanish | Flowering. Blooming. | F | |
| 526 | Florencia | Spanish | Flowering. Blooming. | F | |
| 527 | Florentina | Spanish | Blooming. | F | |
| 528 | Florentino | Spanish | Blooming. | M | |
| 529 | Florida | Spanish | Blooming. | F | |
| 530 | Florinia | Spanish | Blooming. | F | |
| 531 | Florinio | Spanish | Blooming. | M | |
| 532 | Florita | Spanish | Flower. | F | |
| 533 | Fonda | Spanish | Profound. | F | |
| 534 | Fortuna | Spanish | Lucky. | F | |
| 535 | Fraco | Spanish | Weak. | M | |
| 536 | Franca | Spanish | A dimunitive of Francisca, derived from the Latin Francis, meaning French, from France, or free one. | F | |
| 537 | Francisca | Spanish | Variant of Frances meaning French, from France, or free one. | F | |
| 538 | Francisco | Spanish | Variant of Frank. Also a Spanish variant of the Latin Francis, meaning Frenchman or free one. | M | |
| 539 | Franco | Spanish | Diminutive of Francisco: Variant of Frank. Also a Spanish variant of the Latin Francis, meaning Frenchman or free one. | M | |
| 540 | Frasco | Spanish | Free. | M | |