| Jolanda | | yo-LAHN-dah (Dutch, Italian) | Dutch, Slovene, Croatian, Italian | |
| JonÁŠ | | - | Czech, Slovak | |
| Jonah | | JO-nə (English) | English, Biblical | |
| Jonas (2) | | YO-nahs (German), JO-nəs (English) | Swedish, Norwegian, Danish, German, Dutch, Biblical | |
| Jonathan | | JAHN-ə-thən (English), YO-nah-tahn (German) | English, German, Swedish, Norwegian, Danish, Dutch, French, Biblical | |
| Joop | | YO:P | Dutch | |
| Joord | | YO:RT | Dutch | |
| Joos | | YO:S | Dutch | |
| Joost | | YO:ST | Dutch | |
| Joram | | - | Biblical | |
| Jordaan | | yawr-DAH:N | Dutch | |
| Jordan | | JAWR-dən (English) | English, Macedonian | |
| Jordana | | hor-DAH-nah (Spanish), jawr-DAN-ə (English) | Spanish, Portuguese, Macedonian, English (Rare) | |
| Jordanes | | - | Ancient Germanic | |
| Jordi | | - | Catalan | |