| Janli | Woman | American Names |
| Janna | Woman | English Names |
| Janneke | Woman | Dutch Names |
| Jannik | Man | Dutch Names |
| Janny | Woman | American Names |
| Jansje | Woman | Dutch Names |
| January | Unisex | English Names |
| Janus | Unisex | Latin Names |
| Janusz | Man | Polish Names |
| Janya | Woman | American Names |
| Japheth | Man | Hebrew Names |
| Jaquan | Man | American Names |
| Jaqueen | Woman | American Names |
| Jaquenetta | Woman | English Names |
| Jara | Woman | Spanish Names |
| Jarah | Unisex | Arabic Names |
| Jaramillo | Unisex | Spanish Names |
| Jared | Man | Hebrew Names |
| Jaren | Unisex | English Names |
| Jareth | Man | English Names |