| Name | Meaning | Gender | Origin |
|---|
| Hopper | hop grower or seller | Male | English |
| Hudson | Hugh's son | Male | English |
| Hunter | A hunter. One who searches for something | Male | English |
| Hyde | hide | Male | English |
| Iggy | Latin, fiery | Male | Latin |
| 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 |
| Jacob | The supplanter, held by the heel | Male | Hebrew |
| Jada | wise | Female | Spanish |
| Jagger | a teamster | 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 |
| Jane | gracious, merciful, God is gracious | Female | English |
| Javan | Son of Japtheth
| Male | Hebrew |
| Jay | jaybird | Male | Latin |
| Jayda | Green Gemstone | Unisex | English |
| Jesse | wealthy | Male | Hebrew |
| Jett | Jet Black Gem | Male | English |
| Jezebel | follower of idols | Female | Hebrew |
| Jinx | Charm, Spell | Female | Latin |
| Johnnie | Modern feminine of John and Jon.
| Male | English |
| Joplin | the afflicted | Male | English |
| Jordan | The descending river, to flow | Male | Hebrew |
| Jordon | Flow, Descend | Unisex | English |