Rennes 35000 - Bretagne
- Grimonprez
- Grisel
- Grissia
- Griveau
- Grohan
- Groheux
- Grosselin
- Grosvalet
- Grouazel
- Groud
- Grouhel
- Groulet
- Groult
- Grun
- Gruson
- Grégoire
- Gualdino
- Guastavino
- Guay
- Gubremamas
- Guede
- Guehennec
- Guehenneuc
- Guei
- Guena
- Guenard
- Gueneau
- Guenego
- Guenen
- Guenet
- Guenver
- Guepin
- Guerard
- Gueras
- Guere
- Guerif
- Guerillon
- Guerin Jean-christophe
- Guerineau
- Guerlais
- Guernalec
- Guernion
- Guerrault
- Guesneux
- Guesnier
- Gueutier
- Guevellou
- Guezais
- Guezenec
- Guezou
- Guiader
- Guibourgé
- Guichoux
- Guidal
- Guider
- Guidon
- Guidoux
- Guiet
- Guignant
- Guigot
- Guigourese
- Guiheneuc
- Guihery
- Guiheu
- Guihur
- Guil
- Guiliskhanov
- Guillas
- Guillemard
- Guillen
- Guillimin
- Guillome
- Guillonneau
- Guillopé
- Guillory
- Guillout
- Guillouzo
- Guilmain
- Guilmard
- Guilmois
- Guimbard
- Guims
- Guinnebault
- Guion
- Guirardel
- Guitet
- Guitteaud
- Guittet
- Guivarc'h
- Guliana
- Guney
- Gurbuz
- Gutierrez
- Guyodo
- Guyomar
- Guyomarch
- Guyozot
- Guého
- Guézennec
- Guézo