| Ja | Man | African Names |
| Jaala | Woman | Hebrew Names |
| Jaan | Man | Scandinavian Names |
| Jaana | Woman | Scandinavian Names |
| Jabari | Man | Arabic Names |
| Jabbar | Man | Arabic Names |
| Jabilo | Man | African Names |
| Jabir | Man | Arabic Names |
| Jabr | Man | Arabic Names |
| Jabre | Unisex | American Names |
| Jabulani | Man | African Names |
| Jacarra | Woman | American Names |
| Jace | Man | American Names |
| Jacek | Man | Polish Names |
| Jacenty | Man | Polish Names |
| Jacey | Unisex | American Names |
| Jachai | Man | Hebrew Names |
| Jachin | Man | Hebrew Names |
| Jacinda | Woman | English Names |
| Jacinta | Woman | Spanish Names |