| Name | Meaning | Gender | Origin |
|---|
| Guinness | Brand of stout beer from Ireland. | Unisex | |
| Heath | Wasteland | Male | English |
| Hershey | Brand of chocolate. | Male | |
| Hickory | | Male | Hebrew |
| Holden | hollow valley | Male | English |
| Hopper | hop grower or seller | Male | English |
| Houdini | | Male | Hebrew |
| Hunter | A hunter. One who searches for something | Male | English |
| 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 |
| Jackson Brown | | Unisex | Hebrew |
| Jager | Carter | Unisex | English |
| Jake | From Jacob - To fill the place of another | Male | Hebrew |
| Jersey | From A Section Of England | Male | English |
| Jess | Gift | Male | English |
| Joe | Abbreviation of Joseph.
| Male | English |
| Joe | Abbreviation of Joseph.
| Male | English |
| Junior | Youthful person. Used to distinguish son from father where they have the same name | Male | Latin |
| Kahlua | | Unisex | |
| Kit | Nickname for Christopher. Frontiersman Kit Carson.
| Male | English |
| Kit Kat | | Unisex | |
| Kit Kat | | Unisex | |
| Knight | Noble, Soldier | Male | English |
| Koda | | Male | |