- Falk
- Falken
- Faron
- Farran
- Farren
- Faxon
- Ferdinand
- Fernard
- Fernart
- Fitz
- Fitzhugh
- Fonzell
- Fonzie
- Franz
- Franzen
- Franzl
- Fred
- Freddie
- Freddy
- Fredek
- Frederic
- Frederich
- Frederich
- Frederick
- Frederik
- Fredric
- Fremont
- Friedrich
- Friedrick
- Frimunt
- Frithuric
- Fritz
- Fritzchen
- Fritzroy
- Fulhert