- Fabbro
- Fabian
- Fabing
- Fagan
- Fahy
- Fain
- Faini
- Fair
- Fairall
- Fairchild
- Faiter
- Falasca
- Falk
- Faller
- Fallon
- Fallot
- Falor
- Falter
- Fancelli
- Fang
- Fannin
- Farej
- Faren
- Farfan
- Farina
- Farkas
- Farley
- Farmer
- Farner
- Farnlacher
- Farquhar
- Farrar
- Farrell
- Farren
- Farringer
- Farris
- Farrow
- Farthing
- Fasnacht
- Fasone
- Fassbender
- Fatica
- Faulk
- Faulkner
- Faun
- Fauver
- Favors
- Favret
- Fawcett
- Fay
- Feasel
- Feast
- Featherstone
- Feaver
- Fecht
- Fedderke
- Feder
- Federer
- Fedner
- Fedorchak
- Feelan
- Feher
- Fehervary
- Feibel
- Feiertag
- Feigenbaum
- Feinberg
- Feldmann
- Felix
- Felkner
- Fellows
- Felsenthal
- Felten
- Feltner
- Felty
- Felver
- Femia
- Fenderson
- Fenimore
- Fenlon
- Fenneman
- Fenner
- Fenstemaker
- Fentiman
- Ferensen
- Fergus
- Ferguson
- Fernald
- Ferrari
- Ferree
- Ferrell
- Ferrelli
- Ferris
- Ferritto
- Fertel
- Fessehaye
- Fetherolf
- Fetter
- Fetters
- Feyko
- Feyzioglu
- Fickes
- Fidler
- Fielding
- Fields
- Figge
- Fildedrandt
- Filippi
- Filko
- Fillmore
- Finan
- Findley
- Fine
- Finegold
- Finfrock
- Finke
- Finley
- Finn
- Finnegan
- Finneran
- Finney
- Fino
- Finocchi
- Fischer
- Fish
- Fishcman
- Fishel
- Fisher
- Fishking
- Fishpaw
- Fiske
- Fistick
- Fithen
- Fitzgerald
- Fitzpatrick
- Fix
- Fixari
- Flack
- Flaherty
- Flanagan
- Flanigan
- Fleck
- Fleeman
- Fleisher
- Fleming
- Flemming
- Fleshman
- Fletcher
- Flick
- Flinn
- Flint
- Floccari
- Flora
- Flores
- Florian
- Florman
- Flory
- Flower
- Flowers
- Flox
- Floyd
- Fluellen
- Fluharty
- Flynn
- Focht
- Fochtman
- Foe
- Foeller
- Foerst
- Fogarty
- Fogle
- Foley
- Folk
- Follis
- Foltz
- Fong
- Foody
- Foor
- Forbes
- Forby
- Ford
- Forde
- Forder
- Foreman
- Foresi
- Forney
- Forrester
- Forster
- Forsyth
- Forte
- Fortenbacher
- Fortin
- Fortner
- Fosness
- Foster
- Fothergill
- Fouch
- Fought
- Fountain
- Fournier
- Fouse
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- Fout
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- Fowler
- Fox
- Fraenkel
- Frailey
- France
- Francescon
- Francis
- Francisco
- Frank
- Franke
- Frankel
- Frankenberg
- Franklin
- Franks
- Franzen
- Frary
- Frasch
- Fraser
- Frasher
- Frashier
- Frautschi
- Frazee
- Frazer
- Frazier
- Frecker
- Frederick
- Fredrick
- Free
- Freeberg
- Freeburn
- Freed
- Freel
- Freeman
- Freidenberg
- Freidenberger
- French
- Frenz
- Frericks
- Fresch
- Freshkorn
- Fretas
- Freter
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- Fribley
- Friddle
- Fridman
- Fried
- Friedberg
- Friedlander
- Friedman
- Friedstrom
- Friel
- Friend
- Friley
- Frissora
- Fritts
- Fritz
- Frohnauer
- Froman
- Fronczak
- Frost
- Fruits
- Frye
- Fryer
- Fuchs
- Fuerst
- Fugger
- Fuhr
- Fuhrer
- Fulakis
- Fullen
- Fuller
- Fulmer
- Fulton
- Fultz
- Furash
- Furgason
- Furlong
- Furlow
- Furman
- Furney
- Furr
- Furtick
- Furuhashi
- Fuss
- Futty
- Fyfe
- Fyffe
- Fylling