| Name | Meaning | Gender | Origin |
|---|
| Flann | Ruddy | Male | Gaelic |
| Flannery | Red-haired | Male | Gaelic |
| Flora | Flower | Female | Latin |
| Flynn | Ruddy | Male | Gaelic |
| Foster | Forest | Male | English |
| Foxy | Resembling a fox. Slang for sexy | Unisex | English |
| Freckles | Dotted with small brownish spots. | Unisex | English |
| Fred | Peaceful ruler | Male | Germanic |
| Gael | Joyful. Abbreviation Of Abigail. Gael Is A Term For Descendants Of The Ancient Celts In Scotland: Ireland And The Isle Of Man. | Unisex | English |
| Gale | Father in rejoicing | Female | Hebrew |
| Gallagher | Brave, valiant | Male | Gaelic |
| Gara | Short | Male | English |
| Garrett | Strength of the spear | Male | Germanic |
| Garvey | Cruel fate | Male | Gaelic |
| George | Earth worker | Male | Greek |
| Gidget | | Unisex | Hebrew |
| Gigi | Earth worker | Female | Greek |
| Gil | Happiness | Male | Hebrew |
| Gillespie | Servant of the bishop | Male | Gaelic |
| Gilmore | Servant of the Virgin Mary | Male | Gaelic |
| Ginger | Spring-like | Female | Latin |
| Girlie | Girl | Unisex | English |
| Gizmo | A mechanical device or gadget. | Unisex | English |
| Glenda | Clean and good | Female | Welsh |
| Godzilla | | Unisex | Hebrew |
| Goliath | Tall | Unisex | Hebrew |
| Gollum | | Unisex | Hebrew |
| Gonzo | Bizarre, unconventional, oddball. | Unisex | English |
| Goober | Southern US term for peanut. Also chocolate covered peanuts | Unisex | English |
| Grace | Good will | Female | Latin |