- Faaborg
- Fabby
- Fabe
- Faber
- Faecher
- Faeth
- Fagaly
- Fagel
- Fagin
- Fago
- Fahey
- Fahlbush
- Fahnle
- Fahrenkamp
- Fahrmeier
- Fahrnbach
- Faidley
- Faig
- Faigle
- Faillace
- Fain
- Fair
- Fairbanks
- Falco
- Falcone
- Fales
- Falk
- Fallahi
- Fallath
- Faller
- Fallis
- Fallon
- Falls
- Famble
- Fangman
- Fangmeyer
- Fannin
- Fanning
- Fannings
- Fannon
- Farfsing
- Fariello
- Farley
- Farmer
- Farrar
- Farrell
- Farria
- Farris
- Farrow
- Farwick
- Fasce
- Fasoldt
- Fassnacht
- Fast
- Fath
- Fatora
- Faul
- Faulhaber
- Faulkner
- Faust
- Faux
- Faxon
- Fay
- Fazio
- Fazzio
- Fearn
- Fears
- Featherston
- Fecher
- Fedasch
- Fede
- Fedeler
- Feder
- Federle
- Federmann
- Fedler
- Fee
- Feehan
- Feeley
- Fegan
- Feghali
- Fehr
- Fehrenbach
- Fehring
- Fei
- Feichtner
- Feie
- Feiertag
- Feige
- Feighery
- Feilhauer
- Feinberg
- Feirl
- Feist
- Feith
- Felblinger
- Feld
- Feldhaus
- Feldkamp
- Feldman
- Feldman-Smith
- Feldmann
- Felger
- Felix
- Feller
- Fellinger
- Felman
- Feltman
- Felts
- Fencl
- Fennen
- Fenske
- Fenster
- Fenton
- Fereshtehkhou
- Ferguson
- Fermann
- Fernbacher
- Ferrall
- Ferrara
- Ferrarelli
- Ferrari
- Ferraris
- Ferree
- Ferrell
- Ferris
- Fershtman
- Fesmire
- Fessel
- Fessenden
- Fessler
- Fetick
- Fette
- Fettig
- Feuer
- Fey
- Feyka
- Fiasconi
- Fichter
- Fick
- Ficken-Clarke
- Ficker
- Fickert
- Ficklin
- Ficks
- Fiedler
- Fieger
- Field
- Fielden
- Fields
- Fieler
- Fierro
- Figgins
- Figgs
- Fight
- Fightmaster
- Fights
- Figiel
- Filak
- Filbert
- Filer
- Filipovic
- Filkins
- Fille
- Fillion
- Filter
- Filusch
- Finan
- Finch
- Fincher
- Findlay
- Findley
- Findlow
- Findsen
- Fine
- Finegan
- Finesman
- Finger
- Fingerman
- Fink
- Finkbeiner
- Finke
- Finkelman
- Finkelmeier
- Finkle
- Finley
- Finn
- Finney
- Finni
- Finnigan
- Finzer
- Fiora
- Fiorante
- Fiore
- Fiorelli
- Fioresi
- Fiorini
- Fiorino
- Fiorito
- Firak
- Firestone
- Firsich
- Firth
- Fischer
- Fischesser
- Fischoff
- Fischvogt
- Fishback
- Fishbaugh
- Fishburn
- Fisher
- Fishter
- Fishwick
- Fisk
- Fisse
- Fister
- Fitch
- Fite
- Fittes
- Fitzgerald
- Fitzgibbon
- Fitzharris
- Fitzhugh
- Fitzpatrick
- Fitzwater
- Fix
- Fixler
- Flading
- Flagg
- Flaherty
- Flaig
- Flake
- Flamm
- Flammer
- Flanagan
- Flanders
- Flanigan
- Flaspohler
- Flavin
- Flax
- Fleak
- Fleckenstein
- Fledderman
- Flege
- Fleisch
- Fleischmann
- Fleming
- Flerlage
- Flesher
- Flessa
- Fletcher
- Flick
- Flickinger
- Fliehman
- Flinchum
- Flinker
- Flinner
- Flint
- Flischel
- Floetker
- Flohr
- Flood
- Florence
- Florio
- Flower
- Flowers
- Floyd
- Fluck
- Fluegeman
- Fluegemann
- Fluellen
- Flynn
- Focht
- Focke
- Fodor
- Foegle
- Foersterling
- Foertsch
- Fogarty
- Fogel
- Fogg
- Fogle
- Foglesong
- Foister
- Foken
- Foley
- Follick
- Follin
- Folz
- Folzenlogen
- Fontaine
- Foraker
- Foran
- Forbeck
- Forbes
- Forbriger
- Ford
- Fordyce
- Foreman
- Forg
- Forman
- Formyduval
- Forney
- Forrester
- Forristal
- Forsstrom
- Forste
- Fort
- Forte
- Fortman
- Fortner
- Fortney
- Forusz
- Forwalt
- Forwood
- Foss
- Fossaluzza
- Fosse
- Fossett
- Foster
- Fothergill
- Foulk
- Foulkes
- Fountain
- Foust
- Fowler
- Fox
- Fradkin
- Fraembs
- Fraher
- Fraley
- Frame
- Frampton
- France
- Franchi
- Francis
- Francisco
- Franck
- Franco
- Francois
- Franer
- Frank
- Franke
- Frankel
- Franken
- Frankenfeld
- Frankenstein
- Franklin
- Franks
- Frantz
- Franxman
- Franz
- Franzosa
- Fraser
- Frasure
- Frauchiger
- Frayer
- Frazee
- Frazier
- Fread
- Frechette
- Frecka
- Frede
- Frederick
- Fredette
- Fredlock
- Fredrick
- Freed
- Freedman
- Freel
- Freeland
- Freeman
- Frees
- Freese
- Frei
- Freihofer
- Freitag
- Freking
- Freland
- Fremont
- French
- Frentsos
- Frerking
- Frese
- Freson
- Freudenberg
- Freudiger
- Freund
- Frew
- Frey
- Freyhof
- Freytag
- Frick
- Fricke
- Friebele
- Friedhoff
- Friedlander
- Friedly
- Friedman
- Friedrich
- Friel
- Frierson
- Fries
- Friesen
- Friesz
- Frietch
- Frimming
- Frisby
- Frisch
- Friskney
- Frisz
- Frith
- Fritsch
- Fritz
- Frock
- Froehle
- Froehlich
- Frohman
- Froikin
- Frolicher
- Fromhold
- Fromme
- Frondorf
- Fronk
- Frost
- Frueauff
- Fruechtemeyer
- Fry
- Frye
- Fryman
- Frymier
- Fryxell
- Fuchs
- Fucito
- Fudge
- Fuerst
- Fugman
- Fuhr
- Fukumura
- Fulcher
- Fulgham
- Fullen
- Fuller
- Fullman
- Fulmer
- Fulton
- Fumarola
- Funderburg
- Funk
- Funke
- Furey
- Furio
- Furman
- Furtwengler
- Fusaro
- Fussinger
- Fussner