| Name | Meaning | Gender | Origin |
|---|
| Gilligan | Lad | Unisex | Gaelic |
| Ginger | Spring-like | Female | Latin |
| Giselle | Hostage | Female | German |
| Gizmo | A mechanical device or gadget. | Unisex | English |
| Goober | Southern US term for peanut. Also chocolate covered peanuts | Unisex | English |
| Gracie | Good will | Female | Latin |
| Gretzky | | Unisex | Hebrew |
| Groucho | | Unisex | Hebrew |
| Guinevere | White | Female | Welsh |
| Gus | From Gustave - Staff of the Goths | Male | English |
| Haley | Hay clearing or hay woods | Female | English |
| Hammy | | Unisex | Hebrew |
| Hardy | Strong, hardy | Male | Germanic |
| Harley | Hare clearing | Male | English |
| Harpo | | Unisex | Hebrew |
| Harry | Home ruler | Male | Germanic |
| Hayleigh | Hay clearing or hay woods | Female | English |
| Heidi | Noble one | Female | Germanic |
| Henry | Home ruler | Male | Germanic |
| Herbie | Bright army | Unisex | English |
| Hershey | Brand of chocolate. | Unisex | English |
| Hilary | Cheerful | Female | Latin |
| Hobart | Bright mind | Unisex | Germanic |
| Holly | Holly | Female | English |
| Homer | Pledge or hostage | Male | Greek |
| Honey | Honey | Female | English |
| Hooch | | Unisex | Hebrew |
| Hoover | Owner of a measure of land | Unisex | German |
| Houston | Hugh's town | Male | English |
| Hudson | Son Of The Hooded Man | Male | English |