- Gabin
- Gace
- Gaetan
- Garan
- Gard
- Gardinier
- Gardner
- Garen
- Garin
- Garion
- Garlan
- Garlen
- Garnell
- Garner
- Garon
- Garren
- Garrin
- Garron
- Gascon
- Gaspard
- Gaston
- Gauthier
- Gautier
- Gaylor
- Geffrey
- Geoff
- Geoffrey
- Gerard
- Gernain
- Geron
- Gerrard
- Gifford
- Gil
- Gilbert
- Gill
- Granville
- Grenville
- Guifford
- Guillaume
- Gustav
- Guy