| Femke | | FEM-kə (Dutch) | Dutch, Frisian | |
| Femme | | FEM-mə (Dutch) | Dutch, Frisian | |
| Fen (2) | | - | Frisian | |
| Fenna | | - | Dutch, Frisian | |
| Friso | | - | Frisian | |
| Gerrit | | KHER-rit (Dutch) | Dutch, Frisian | |
| Heike | | HIE-kə (Low German, Dutch) | Low German, Frisian, Dutch | |
| Heiko | | HIE-ko (Low German, Dutch) | Low German, Frisian, Dutch | |
| Hidde | | - | Frisian | |
| Ime (2) | | - | Frisian | |
| Imke | | IM-kə (Dutch, German) | Frisian, Dutch, German | |
| Inka | | EENG-kah (Finnish), ING-kah (German) | Frisian, Finnish, German | |
| Isa (3) | | - | Frisian, Ancient Germanic | |
| Japik | | - | Frisian (Rare) | |
| Jelle | | YEL-lə (Dutch) | Frisian, Dutch | |