| N A M E | O R I G I N | M E A N I N G |
| Gleipnif | Norse | Magic net woven to hold Fenrir. |
| Gleis | Welsh | Legendary son of Merin. |
| Glen | Celtic/Gaelic | A Secluded, Woody Valley |
| Glendale | Gaelic | Valley. |
| Glendon | Gaelic | From the dark glen. |
| Glendyn | Gaelic | Valley. |
| Glenn | Gaelic | valley |
| Glew | Welsh | Legendary son of Ysgawd. |
| Glifieu | Celtic | Mythical son of Taran. |
| Glinyeu | Welsh | Legendary son of Taran. |
| Glistenheath | Norse | The place where Sigurd killed Fafnir. |
| Glyn | Celtic | From the valley. |
| Gnegon | Polish | Polish form of Gregory 'wachful'. |
| Gnup | Norse | Took refuge in Iceland after several killings he performed. |
| Goath | Biblical | His touching; his roaring |
| Gobha | Scottish | A smith. |
| Gobrwy | Welsh | Legendary son of Echel Pierced Thighs. |
| Godana | African | Male Child |
| Goddard | German | Hard spear. |
| Godewyn | Dutch | Good friend. |
| Godfredo | Spanish | Spanish form of Godfrey 'friend of God'. |
| Godfrey | German | God is peace |
| Godfried | Teutonic | God's peace. |
| Godofredo | Spanish | Spanish form of Godfrey 'friend of God'. |
| Godric | Anglo-Saxon | Rules with God. |
| Godwin | English | From the Old English Godwine, meaning friend of God. |
| Godwine | Anglo-Saxon | Friend of God. |
| Godwyn | Teutonic | God's friend. |
| Goffredo | Teutonic | God's peace. |
| Gofraidh | Irish | Peace from God. |
