- Gable
- Gabriel
- Gagliano
- Gainsburgh
- Gallagher
- Galloway
- Gambel
- Gamble
- Gancarzdavies
- Gannon
- Gant
- Garbus
- Garbutt
- Garcia
- Garibaldi
- Garner
- Garnett
- Garrett
- Garrity
- Gaspard
- Gastrock
- Gatlin
- Gaudet
- Gaudin
- Gautier
- Gautreaux
- Gayden
- Geary
- Gebhardt
- Gee
- Gegenheimer
- Geheeb
- Geisler
- Gelpi
- Gendusa
- Gennusa
- Georges
- Germer
- Gernon
- Giancona
- Giannone
- Gibbens
- Gibbs
- Gibeault
- Gibert
- Gibson
- Giglio
- Gilbert
- Gilchrist
- Gill
- Gilmore
- Gingles
- Giovenco
- Gipson
- Givens
- Gloston
- Glover
- Glueck
- Gnuse
- Goeser
- Gogreve
- Goldberger
- Golden
- Goldman
- Goldring
- Goldstein
- Gomez
- Gondolfi
- Gonzalez
- Goodbee
- Goodman
- Goodwin
- Gordin
- Gordon
- Gore
- Gorman
- Gorney
- Goudeau
- Gould
- Gourrier
- Graf
- Graff
- Graham
- Gramling
- Graves
- Gravois
- Gray
- Green
- Greene
- Greensfelder
- Greenwald
- Greenwood
- Grego
- Gregor
- Gregory
- Grehan
- Gremillion
- Grieco
- Griener
- Griffin
- Grilletta
- Grimes
- Grimm
- Groff
- Groome
- Gros
- Grose
- Groth
- Grueber
- Grundmeyer
- Grzych
- Guedimin
- Gueho
- Guerin
- Guggenheimer
- Guichet
- Guidroz
- Guidry
- Guillont
- Guillot
- Gundlach
- Gusman
- Gwin
- Gwyn