| Jolyon | Man | English Names |
| Jon | Man | English Names |
| Jonah | Man | Hebrew Names |
| Jonan | Man | American Names |
| Jonas | Man | Hebrew Names |
| Jonatha | Woman | English Names |
| Jonathan | Man | Hebrew Names |
| Jonathon | Man | Hebrew Names |
| Jonco | Man | American Names |
| Jondalar | Man | English Names |
| Jondor | Man | Scandinavian Names |
| Jonell | Woman | American Names |
| Jones | Man | Welsh Names |
| Joni | Woman | American Names |
| Jonila | Woman | American Names |
| Jonilde | Woman | French Names |
| Jonny | Man | English Names |
| Jono | Man | American Names |
| Jonty | Man | English Names |
| Joo | Woman | Korean Names |