| Ena (2) | | - | Croatian | |
| Erik | | E-rik (Swedish, Norwegian, Danish, German), E-reek (Finnish), AY-rik (Dutch), ER-ik (English) | Swedish, Norwegian, Danish, Finnish, Czech, Slovak, Slovene, Croatian, Hungarian, German, Dutch, Eng | |
| Erika | | e-REE-kah (Swedish, Norwegian), E-ree-kah (Finnish, German), ER-i-kə (English) | Swedish, Norwegian, Danish, Finnish, German, Hungarian, Czech, Slovene, Croatian, English, Italian | |
| Ervin | | - | Hungarian, Croatian | |
| Eugen | | OI-gen (German) | German, Romanian, Czech, Slovak, Croatian | |
| Fabijan | | FAH-bee-yahn (Croatian) | Croatian, Slovene | |
| 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 | |
| Finka | | - | Croatian | |
| Florijan | | - | Croatian | |
| Fran | | FRAN (English) | Spanish, English, Croatian, Slovene | |
| Frane | | - | Croatian | |
| Franjo | | FRAH-nyo | Croatian, Serbian | |
| Franka (2) | | - | Croatian | |
| Franko | | - | Croatian | |