| Jonquil | | JAHN-kwil | English (Rare) | |
| Jonty | | JAHN-tee | English (British) | |
| Jools | | JOOLZ | English | |
| Jordan | | JAWR-dən (English) | English, Macedonian | |
| Jordana | | hor-DAH-nah (Spanish), jawr-DAN-ə (English) | Spanish, Portuguese, Macedonian, English (Rare) | |
| Jordon | | JAWR-dən | English | |
| Jordyn | | JAWR-din | English (Modern) | |
| Jorie | | JAWR-ee | English | |
| Jorja | | JAWR-jə | English (Modern) | |
| Josceline | | JAHS-lin, JAHS-ə-lin | English (Rare) | |
| Joselyn | | JAHS-lin, JAHS-ə-lin | English (Modern) | |
| Joseph | | JO-səf (English), zho-ZEF (French), YO-zef (German) | English, French, German, Biblical | |
| Josepha | | yo-ZE-fah (German) | German (Archaic), English (Rare) | |
| Josephina | | jo-sə-FEEN-ə | English (Rare) | |
| Josephine | | JO-sə-feen (English), yo-ze-FEE-nə (German) | English, German, Dutch | |