- Fabbre
- Faber
- Fabick
- Facea
- Facen
- Factor
- Fadler
- Fadness
- Fagen
- Fagerstrom
- Fagin
- Fahey
- Fahland
- Fahrney
- Fahy
- Faifer
- Faille
- Failoni
- Faintich
- Fair
- Fairchild
- Faits
- Falcetti
- Fales
- Faletti
- Falk
- Falkner
- Faller
- Fallert
- Fallin
- Fallon
- Falzone
- Famous
- Fanara
- Fanchi
- Fanger
- Fank
- Fanning
- Fannon
- Fansin
- Fansler
- Fanson
- Fanter
- Faour
- Farace
- Farber
- Farbstein
- Farer
- Farina
- Faris
- Farkas
- Farley
- Farmer
- Faron
- Farr
- Farrell
- Farrington
- Farris
- Farrow
- Farwell
- Fasbender
- Fasoldt
- Fassi
- Fassler
- Faszold
- Fatchett
- Fathman
- Fatoki
- Fatzinger
- Faucett
- Faught
- Fauke
- Faul
- Faulkerson
- Faulkner
- Faulstich
- Fauquet
- Fauss
- Faust
- Fauth
- Fava
- Favazza
- Faveere
- Favier
- Fawcett
- Fay
- Fazzari
- Feager
- Fearnley
- Fears
- Fechter
- Fedchak
- Fedde
- Federbush
- Fee
- Feegle
- Feeler
- Feely
- Feero
- Feger
- Fehner
- Fehrenbach
- Fehrman
- Fehrmann
- Feibel
- Feicht
- Feikert
- Feilner
- Feinberg
- Feiner
- Feit
- Fejzic
- Feld
- Feldenberg
- Feldewerth
- Feldman
- Feldmann
- Feldmeier
- Feldt
- Felix
- Felkner
- Fellenz
- Fellin
- Fellner
- Felton
- Felts
- Feltz
- Femmer
- Fendelman
- Fendler
- Fenger
- Fennewald
- Fenster
- Fenton
- Fenwick
- Fenwicke
- Ferguson
- Ferkel
- Ferman
- Fernandez
- Ferner
- Fernhoff
- Ferrara
- Ferrario
- Ferrell
- Ferretti
- Ferrie
- Ferrill
- Ferris
- Ferrise
- Ferriss
- Ferronato
- Ferry
- Fessenden
- Fett
- Fetters
- Feuer
- Feurer
- Feuring
- Feutz
- Fey
- Fiala
- Fiasco
- Fichter
- Fick
- Fiddmont-Hood
- Fiehler
- Field
- Fields
- Fieldson
- Fierce
- Fiete
- Figge
- Figueras
- Figura
- Fike
- Fikes
- File
- Filean
- Filippine
- Filla
- Filter
- Fiman
- Finan
- Finazzo
- Finch
- Finder
- Fine
- Finefield
- Finer
- Finer-Perll
- Finger
- Fingerhood
- Fingerhut
- Fink
- Finke
- Finkelstein
- Finkenbuerger
- Finklang
- Finland
- Finlay
- Finley
- Finn
- Finnegan
- Finney
- Finocchio
- Finot
- Fiordimondo
- Fiorello
- Fiorilli
- Firebaugh
- Firestone
- Fisch
- Fischer
- Fish
- Fishbeck
- Fishel
- Fisher
- Fishman
- Fisk
- Fister
- Fitts
- Fitz
- Fitzgerald
- Fitzgibbons
- Fitzpatrick
- Fitzsimmons
- Fitzwater
- Fivecoat
- Fix
- Fixin
- Fixler
- Flach
- Flachs
- Flacke
- Flad
- Flaherty
- Flake
- Flakes
- Flamm
- Flanagan
- Flanakin
- Flandreau
- Flanery
- Flanigan
- Flannery
- Flatley
- Flatness
- Flaton
- Flaugher
- Flavin
- Fleener
- Fleer
- Flegel
- Fleischman
- Fleisher
- Fleissig
- Fleming
- Flemming
- Flerlage
- Flesch
- Fletcher
- Flick
- Flieg
- Flier
- Flinn
- Flood
- Florczak
- Florea
- Florek
- Florence
- Floretta
- Florich
- Floss
- Flotken
- Flotron
- Flowers
- Floyd
- Fluegel
- Flusser
- Flynn
- Foege
- Foehrkolb
- Foeller
- Foerstel
- Foerster
- Fogarty
- Fogelbach
- Fogerson
- Fogle
- Fok
- Foley
- Folkerts
- Folks
- Follen
- Follins
- Follmer
- Folluo
- Folz
- Fondren
- Fong
- Fonke
- Fonod
- Fontaine
- Fontana
- Fonyo
- Foote
- Foppe
- Forbes
- Forbringer
- Forbush
- Ford
- Ford-Bradford
- Foreman
- Forest
- Forister
- Formann
- Forney
- Forni
- Forquer
- Forrest
- Forsee
- Forson
- Forst
- Forster
- Forstot
- Forsyth
- Forsythe
- Fort
- Fortenberry
- Forthaus
- Fortman
- Fortna
- Fortschneider
- Fortson
- Fortune
- Foshage
- Foss
- Fossell
- Foster
- Fosterling
- Fotenos
- Fotouhi
- Fournelle
- Fourney
- Fournie
- Fournier
- Fourtner
- Foushee
- Fouts
- Fowler
- Fox
- Foxwell
- Fraction
- Fraley
- Frame
- Franc
- France
- Francis
- Franck
- Frandsen
- Frane
- Frank
- Franke
- Frankel
- Frankenberg
- Frankenberger
- Franklin
- Franko
- Frankowski
- Franks
- Fransaw
- Franz
- Franzel
- Franzen
- Fraraccio
- Fraser
- Frasher
- Frattini
- Fraunholtz
- Frazee
- Frazier
- Freber
- Frederick
- Fredericksen
- Frederickson
- Fredman
- Fredrick
- Freedland
- Freeman
- Freer
- Freerks
- Freese
- Freesh
- Freesmeier
- Freet
- Frei
- Freiberger
- Freiburg
- Freihaut
- Freiling
- Frein
- Freist
- Freitag
- Freivogel
- Freiwald
- Frelich
- Fremont
- French
- Frenzel
- Frericks
- Frerker
- Frese
- Fresenburg
- Freshley
- Freshman
- Fresta
- Freund
- Frey
- Freyling
- Frick
- Fricke
- Fricks
- Fridrich
- Friedel
- Friedla
- Friedman
- Friedmann
- Friedmeyer
- Friedrich
- Friel
- Frierdich
- Fries
- Friesen
- Friet
- Frietsch
- Frigerio
- Frimerman
- Frink
- Frisch
- Frisella
- Fritsch
- Fritsche
- Fritz
- Froeckmann
- Froehlich
- Froeschner
- Froesel
- Frohlichstein
- Fronckewicz
- Fronick
- Fronmuller
- Frosch
- Frost
- Fruendt
- Fry
- Frycki
- Frye
- Fuchs
- Fucles
- Fueglein
- Fuegner
- Fuehne
- Fuess
- Fugel
- Fuhler
- Fuhr
- Fuhrer
- Fuhrmann
- Fuhro
- Fuist
- Fulbright
- Fullenkamp
- Fuller
- Fullerton
- Fullinwider
- Fullriede
- Fulsom
- Fulton
- Fultz
- Funck
- Funk
- Funke
- Funkhouser
- Fuqua
- Furdek
- Furesz
- Furman
- Furrer
- Fusco
- Fuson
- Fussell
- Fusz