| Name | Meaning | Gender | Origin |
|---|
| Herbie | From Herbert - Brilliant warrior | Unisex | |
| Holley | Holly | Unisex | English |
| Hondo | | Unisex | Hebrew |
| Horowitz | | Unisex | Hebrew |
| Hubert | bright, shining intellect | Male | |
| Huey | Intelligent | Unisex | English |
| Hugo | Intelligent
| Male | Latinized |
| Hummel | | Unisex | Hebrew |
| Iggy | Latin, fiery | Male | Latin |
| Igor | Scottish variation of Welsh Ifor, lord or English form of Scandinavian Ifar, yew | Male | Russian |
| J.C. | Just Cat | Unisex | |
| Jackson | Son of Jack | Male | English |
| Jagger | a teamster | Male | English |
| Jazz | The romantic music
| Male | Word |
| Jerry | after Jerry Garcia, The Grateful Dead | Male | English |
| Jerry Lee | after Jerry Lee Lewis | Unisex | |
| Jesse | wealthy | Male | Hebrew |
| Jethro | excellence | Male | Hebrew |
| Jett | Jet Black Gem | Male | English |
| John | God is merciful | Male | Hebrew |
| Joplin | the afflicted | Male | English |
| Jovi | after Jon Bon Jovi | Unisex | |
| Julio | Latin, youthful, downy-bearded | Male | Spanish |
| Justin | just, true | Male | Latin |
| Kanye | after the rap artist Kanye West | Male | African |