| Name | Meaning | Gender | Origin |
|---|
| Godzilla | | Male | Hebrew |
| Google | | Unisex | Hebrew |
| Gremlin | | Unisex | Hebrew |
| Gus | From Gustave - Staff of the Goths | Male | English |
| Gustavus | | Unisex | Hebrew |
| Hank | ruler of an estate | Male | English |
| Hans | God's Gracious Gift | Male | |
| Harmonee | Unity; Concord; Musically In Tune. Harmonia Was The Mythological Daughter Of Aphrodite. | Unisex | English |
| Harry | estate ruler | Male | English |
| Harry | estate ruler | Male | English |
| Havoc | | Unisex | Hebrew |
| Hiram | Exalted
| Male | Hebrew |
| Hoover | | Male | Hebrew |
| Houdini | | Male | Hebrew |
| Hurley | after the skateboard brand | Male | Irish |
| Huxley | inhospitable place | Male | English |
| Ignatius | fiery | Male | Latin |
| Ivan | Form of John | Male | Russian |
| Jabba | | Unisex | Hebrew |
| Jack | after the Georgetown University mascot, Jack the Bulldog | Male | English |
| Jack | From John - God's gracious gift | Male | English |
| Jackson | Son of Jack | Male | English |
| Jaeger | Hunter | Unisex | German |
| Jansen | Variant Of The Hebrew John Jehovah Has Been Gracious; Has Shown Favor. | Unisex | German |
| Jarvis | driver, a conqueror | Male | English |