| Jovany | Unisex | American Names |
| Jovelyn | Woman | American Names |
| Jovie | Woman | American Names |
| Joycelyn | Woman | American Names |
| Joykiss | Woman | American Names |
| Joylyn | Woman | American Names |
| Jrue | Unisex | American Names |
| Jughead | Unisex | American Names |
| Juke | Unisex | American Names |
| Julisa | Woman | American Names |
| Julisha | Woman | American Names |
| Julissa | Woman | American Names |
| Junie | Woman | American Names |
| Justina | Woman | American Names |
| Justis | Man | American Names |
| Justise | Woman | American Names |
| JuVaughn | Man | American Names |
| Jyler | Unisex | American Names |
| Kacela | Woman | American Names |
| Kacy | Woman | American Names |