| Jamlech | - | Biblical Name | Janoah, Janohah | - | Biblical Name |
| Janum | - | Biblical Name | Japhet | - | Biblical Name |
| Japho | - | Biblical Name | Jarmuth | - | Biblical Name |
| Jarvah | - | Biblical Name | Jasher | - | Biblical Name |
| Jasper | - | Persian Name | Jattir | - | Biblical Name |
| Java | - | Indonesian Name | Javier | - | French Name |
| Jaycee | - | American Name | Jazer | - | Biblical Name |
| Jaziz | - | Biblical Name | Jearim | - | Biblical Name |
| Jeaterai | - | Biblical Name | Jebusi | - | Biblical Name |
| Jeconiah | - | Biblical Name | Jeezer | - | Biblical Name |
| Jegar-sahadutha | - | Biblical Name | Jehaleleel, Jehalelel | - | Biblical Name |
| Jehaziel | - | Biblical Name | Jehoiada | - | Biblical Name |
| Jehu | - | Biblical Name | Jennis | - | American Name |
| Jephunneh | - | Biblical Name | Jerah | - | Biblical Name |
| Jericho | - | Biblical Name | Jerijah | - | Biblical Name |
| Jerry | - | German Name | Jesse | - | Hebrew Name |
| Joan | - | Hebrew Name | Jodie | - | Hebrew Name |
| Joelah | - | Biblical Name | Joha | - | Biblical Name |
| Joppa | - | Biblical Name | Jordan | - | Hebrew Name |
| Jorryn | - | American Name | Jory | - | American Name |
| Journey | - | American Name | Jude | - | Hebrew Name |
| Justice | - | American Name | Justis | - | American Name |
| Kadin | - | Algerian Name |
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