| Name | Meaning | Gender | Origin |
|---|
| Holstein | | Unisex | Hebrew |
| Honey Bee | | Unisex | Hebrew |
| Horatio | hour, time | Male | English |
| Houdini | | Male | Hebrew |
| Howie | Brave Heart, Mind | Unisex | English |
| Hubert | bright, shining intellect | Male | |
| Hunter | A hunter. One who searches for something | Male | English |
| Huntress | | Unisex | Hebrew |
| Huxley | inhospitable place | Male | English |
| Ice | Water frozen solid | Unisex | |
| Ice Cream | | Unisex | Hebrew |
| Iggy | Latin, fiery | Male | Latin |
| Inferno | | Unisex | Hebrew |
| Ink | | Unisex | |
| Inky | | Unisex | Hebrew |
| Ishta | | Unisex | Hebrew |
| Ivan | Form of John | Male | Russian |
| Ivory | The hard, smooth, yellowish-white of an elephant's tusk. | Male | Word |
| Jack | after the Georgetown University mascot, Jack the Bulldog | Male | English |
| Jack | From John - God's gracious gift | Male | English |
| Jaguar | Large Spotted Feline | Male | English |
| Jake | From Jacob - To fill the place of another | Male | Hebrew |
| James | From Jacob - To fill the place of another, supplanter. | Male | English |
| Janie | Jehovah Has Been Gracious; Has Shown Favor. Variant Of Joan. | Unisex | English |
| Jasper | Black stone
| Male | Persian |