- Gabi
- Gaby
- Gabriel
- Garan
- Garen
- Garey
- Garin
- Garion
- Garon
- Garren
- Garrey
- Garrick
- Garrin
- Garrison
- Garron
- Garry
- Garson
- Garvyn
- Gary
- Geoffrey
- Georg
- Gerard
- Gerd
- Gerhard
- Gerlach
- Gerold
- Geron
- Gerrald
- Gerrard
- Gerrell
- Gilbert
- Gilleasbuig
- Giomar
- Gisilbert
- Godafrid
- Goddard
- Godfrey
- Gofried
- Gottfried
- Gregor
- Gretel
- Griswald
- Griswold
- Gunther
- Gustav
- Gustave
- Guy
- Gwilym