| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 501 | Fanuco | Spanish | Free. | M | |
| 502 | Faqueza | Spanish | Weakness. | F | |
| 503 | Faro | Spanish | Reference to the card game faro. | M | |
| 504 | Faron | Spanish | Pharoah. | M | |
| 505 | Fausta | Spanish | Lucky. | F | |
| 506 | Faustina | Spanish | Lucky. | F | |
| 507 | Fausto | Spanish | Lucky. | M | |
| 508 | Fe | Spanish | Trust. | F | |
| 509 | Federico | Spanish | Spanish form of Frederick 'peaceful ruler'. | M | |
| 510 | Feliciano | Spanish | Happy. | M | |
| 511 | Felicita | Spanish | Happy. Feminine of Felix. | F | |
| 512 | Felicitas | Spanish | Happy. Feminine of Felix. | F | |
| 513 | Felipe | Spanish | Spanish form of Phillip 'loves horses'. | M | |
| 514 | Felippe | Spanish | Variant of Philip. | M | |
| 515 | Felisa | Spanish | Lucky. | F | |
| 516 | Felix | Spanish | Lucky. | M | |
| 517 | Fermin | Spanish | Strong. | M | |
| 518 | Fermina | Spanish | Strong. | F | |
| 519 | Fernando | Spanish | A variant of Ferdinand, meaning adverturer. | M | |
| 520 | Fidel | Spanish | Faithful. | M | |