| Fontana (16,487) | Fontenot (46,383) | Foot (13,997) |
| Foote (63,673) | Foran (10,168) | Forbes (126,933) |
| Force (17,018) | Ford (806,446) | Fordham (13,162) |
| Fore (16,753) | Foreman (102,383) | Forest (29,154) |
| Forester (21,505) | Forman (46,643) | Forney (23,629) |
| Forrest (77,231) | Forrester (42,041) | Forsberg (11,870) |
| Forster (32,630) | Forsyth (36,011) | Forsythe (42,366) |
| Fort (35,025) | Forte (25,637) | Fortenberry (13,967) |
| Fortier (21,747) | Fortin (21,303) | Fortner (36,816) |
| Fortney (14,492) | Fortune (35,563) | Foss (63,311) |
| Foster (1,008,941) | Fountain (68,703) | Fournier (41,587) |
| Foust (42,229) | Fouts (18,618) | Fowler (448,086) |
| Fowlkes (10,587) | Fox (680,584) | Foy (46,286) |
| Frakes (10,728) | Fraley (34,088) | Frame (30,314) |
| France (50,700) | Frances (29,375) | Francis (269,798) |
| Francisco (61,195) | Franco (131,236) | Francois (23,990) |
| Frank (276,004) | Franke (25,774) | Frankel (21,313) |
| Franklin (468,427) | Franks (105,610) | Frantz (47,731) |
| Franz (42,578) | Franzen (14,073) | Fraser (97,640) |
| Frasier (32,823) | Frausto (10,334) | Frawley (11,434) |
| Frazee (15,887) | Frazer (48,788) | Frazier (331,942) |
| Frederick (136,501) | Fredericks (29,496) | Frederickson (16,894) |
| Fredrick (44,217) | Fredricks (11,557) | Fredrickson (30,416) |
| Free (35,282) | Freed (37,593) | Freedman (40,014) |
| Freeland (35,783) | Freeman (680,754) | Freer (14,269) |
| Freese (21,503) | Freeze (12,675) | Freitag (13,034) |
| Freitas (23,594) | French (315,119) | Freund (21,455) |
| Frey (130,268) | Frias (24,213) | Frick (39,592) |
| Fricke (16,785) | Friday (22,362) | Fried (21,678) |
| Friedman (136,834) | Friedrich (14,806) | Friel (15,712) |
| Friend (66,241) | Frierson (14,294) | Fries (30,450) |
| Friesen (12,898) | Frink (16,171) | Frisbie (13,206) |
| Frisby (12,782) | Frisch (12,617) | Fritsch (11,744) |
