| Jaime (1) | | HIE-me (Spanish), ZHIEM (Portuguese) | Spanish, Portuguese | |
| Jamyang | | - | Tibetan, Bhutanese | |
| Jaqueline | | JAK-ə-leen (English), JAK-ə-lin (English) | English (Modern), Portuguese (Brazilian) | |
| Jayanta | | - | Hinduism, Bengali, Indian, Assamese | |
| Jelena | | - | Serbian, Croatian, Slovene, Estonian, Latvian, Lithuanian | |
| JerÓNimo | | he-RO-nee-mo (Spanish) | Spanish, Portuguese | |
| JerÔNimo | | - | Portuguese (Brazilian) | |
| Jeremias | | ye-re-MEE-ahs (German), YE-re-mee-ahs (Finnish) | German, Portuguese, Finnish | |
| Jessica | | JES-i-kə (English) | English, French, German, Swedish, Norwegian, Danish, Italian, Spanish, Portuguese | |
| Jia | | - | Chinese | |
| Jiahao | | - | Chinese | |
| Jian | | - | Chinese | |
| Jiang | | - | Chinese | |
| Jianhong | | - | Chinese | |
| Jie | | - | Chinese | |