- Fisk (continued)
- Fiske
- Fitch
- Fitler
- Fitts
- fitz Baldric
- Fitz Robert
- Fitz William
- Fitzalan
- FitzEdward
- FitzGeoffrey
- Fitzgerald
- FitzGilbert
- FitzHamon
- FitzHenry
- Fitzhugh
- Fitzmaurice
- FitzOsbern
- FitzOsborn
- FitzPatrick
- FitzPiers
- FitzRalph
- FitzRichard
- FitzRobert
- FitzRoger
- Fitzroy
- FitzThomas
- FitzWalter
- Fitzwilliam
- FiztRoger
- Flack
- Flagg
- Flagler
- Flaherty
- Flaitel
- Flake
- Flamens
- Flanagan
- Flanders
- Flanders-Hainault
- Flask
- Flatt
- Fleet
- Fleming
- Flemming
- Flensburg
- Fletcher
- Flickner
- Flier
- Flint
- Flock
- Flohr
- Flom
- Flood
- Flores
- Flournoy
- Flower
- Flowers
- Floyd
- Flynn
- Focht
- Fogle
- Foglesong
- Foland
- Foley
- Follansby
- Folmar
- Folsom
- Fonda
- Fones
- Foose
- Foot
- Foote