| Firstname | Gender | Origin | Meaning of name | Form | Pronunciation |
|---|---|---|---|---|---|
| Gaël |  | French | Name of a Celtic people | Itself | (GAH el) |
| Gabe | | Hebrew | God is my might | Gabriel | (gayb) |
| Gabrial | | Hebrew | God is my might | Gabriel | (GAY bree al); (GAH bree al) |
| Gaddi | | Hebrew | My happiness | Gadi | (gah dee) |
| Gaetan | | Italian | From Gaeta | Cajetanus | (gai TAHN) |
| Gaetano | | Italian | From Gaeta | Cajetanus | (gai TAH no) |
| Gage | | English | Measurer | Itself | (gayj) |
| Gaige | | English | Measurer | Gage | (gayj) |
| Gaines | | English | Ingenuity, trickery | Itself | (gaynz) |
| Galahad | | Literary | N/A | Itself | (GAH lah had) |
| Firstname | Gender | Origin | Meaning | Form | Pronunciation |
|---|---|---|---|---|---|
| Galan | | Greek | Calm | Galen | (GAY len) |
| Galen | | Greek | Calm | Galenus | (GAY len) |
| Galilee | | Hebrew | A rolled sheet | (GAL ee lee) | |
| Gandalf | | Norse | Wand elf | Itself | N/A |
| Gannon | | Gaelic | Fair-haired | Itself | (GAN non) |
| Garbutt | | Germanic | Spear + messenger; spear + bold/brave | Itself | (GAR but) |
| Garcia | | Spanish | Uncertain, perhaps "fox" | Itself | (gahr SEE ah) |
| Gardener | | English | Gardener; alarming with a weapon | Itself | (GAR den er) |
| Gardiner | | English | Gardener; alarming with a weapon | Gardener | (GAR din er) |
| Gardner | | English | Gardener; alarming with a weapon | Gardener | (GARD ner) |