| Fabian | | FAH-bee-ahn (German, Dutch), FAH-byahn (Polish), FAY-bee-ən (English) | German, Dutch, Polish, History | |
| Felicja | | fe-LEETS-yah | Polish | |
| Felicjan | | fe-LEETS-yahn | Polish | |
| Felicyta | | fe-lee-TSI-tah | Polish | |
| Feliks | | fye-LEEKS (Russian), fee-LEEKS (Russian), FE-leeks (Polish) | Russian, Slovene, Polish | |
| Ferdynand | | fer-DI-nahnd | Polish | |
| Filip | | FEE-lip (Dutch), FEE-leep (Polish, Finnish) | Swedish, Norwegian, Danish, Dutch, Czech, Slovak, Bulgarian, Polish, Croatian, Serbian, Slovene, Mac | |
| Filipa | | fee-LEE-pah (Polish) | Portuguese, Serbian, Croatian, Polish | |
| Filipina | | fee-lee-PEE-nah | Polish | |
| Florian | | FLO-ree-ahn (German), FLAWR-yahn (Polish) | German, Polish, French | |
| Franciszek | | frahn-CHEE-shek | Polish | |
| Franciszka | | frahn-CHEESH-kah | Polish | |
| Fryderyk | | fri-DER-ik | Polish | |
| Fryderyka | | fri-de-RI-kah | Polish | |