| Name | Meaning | Gender | Origin |
|---|
| Frosty | Covered with white frost. Cold in manner | Male | |
| Fudge | A soft, rich candy | Male | |
| Fuscous | | Unisex | Hebrew |
| Galia | Wave | Unisex | Hebrew |
| Gandalf | | Male | Hebrew |
| Gavan | White hawk. From the medieval name Gawain. See also Gwayne.
| Male | |
| Gaven | White hawk
| Male | |
| Gavin | White hawk
| Male | Celtic |
| Gawain | White Hawk | Male | Scottish |
| Genji | | Unisex | Hebrew |
| Genny | short for Generic Cat | Unisex | |
| Ghost | A haunting spirit or memory. One who moves noiselessly. | Unisex | |
| Gilroy | Servant of the King | Unisex | |
| Gingersnap | | Male | Hebrew |
| Ginseng | Root of plant prized for it's health and stimulative properties. | Unisex | |
| Glacier | A huge mass of ice moving slowly. | Male | |
| Golden | Blond | Male | English |
| Goldenrod | | Unisex | Hebrew |
| Gorman | Blue | Unisex | Irish |
| Graham | gravelly homestead | Male | Scottish |
| Granite | | Male | Hebrew |
| Gray | English, the son of the bailiff | Male | Color |
| Grayson | son of the bailiff | Male | English |
| Grey | Gray-Haired. | Male | English |
| Greyson | son of the steward | Male | English |