| Name | Gender | Meaning | Favorites |
| Izad | Boy | An angel, God | |
| Izadyar | Boy | Friend of God | |
| Jafar | Boy | A river, Name of 6th Imam of the Shitte Muslims | |
| Jahan | Boy | The world | |
| Jahanaray | Girl | Adorner of the world | |
| Jalal | Boy | Greatness | |
| Jalil | Boy | Great, Noble | |
| Jamal | Boy | Being fair, Handsome | |
| Jamshed | Boy | An ancient king of Persia, Shining river | |
| Jamshid | Boy | Handsome, Lights, Sun's rays | |
| Jasmine | Girl | Fragrant flower | |
| Jasper | Boy | The name of a gemstone, The treasurer | |
| Javad | Boy | Liberal | |
| Javed | Boy | Immortal | |
| Jehangir | Boy | Akbar's son | |
| Kaiandokht | Girl | Daughter of Kayanian family | |
| Kaidokht | Girl | Daughter of a king, Princess | |
| Kamal | Boy | Lotus | |
| Kaniz | Boy | Servant, Slave girl | |
| Kansbar | Boy | Treasure Master | |
