| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 641 | Ivan | Hebrew | Gift from God. | M | |
| 642 | Ixaka | Hebrew | Child of laughter. | M | |
| 643 | Izaak | Hebrew | Variant of Isaac: He laughs. Laughter. Child of laughter. | M | |
| 644 | Izreal | Hebrew | Ruling with the Lord. | M | |
| 645 | Jaap | Hebrew | Supplanter. | M | |
| 646 | Jabez | Hebrew | Pain. In the Old Testament, Jabez was so named because he was borne by his mother in pain. | M | |
| 647 | Jabin | Hebrew | God has built. A Biblical name. | M | |
| 648 | Jacan | Hebrew | Trouble. A Biblical name. Jachin. | M | |
| 649 | Jack | Hebrew | Supplanter. | M | |
| 650 | Jacob | Hebrew | He grasps the heel. Supplanter. | M | |
| 651 | Jacobe | Hebrew | Supplanter. | M | |
| 652 | Jacot | Hebrew | Supplanter. | M | |
| 653 | Jacques | Hebrew | Variant of Jacob: He grasps the heel. Supplanter. | M | |
| 654 | Jaden | Hebrew | Jehovah has heard. A Biblical name. | M | |
| 655 | Jader | Hebrew | Jehovah has heard. A Biblical name. | M | |
| 656 | Jadon | Hebrew | Jehovah has heard. A Biblical name. | M | |
| 657 | Jaedon | Hebrew | Jehovah has heard. A Biblical name. | M | |
| 658 | Jael | Hebrew | Mountain goat. | M | |
| 659 | Jago | Hebrew | Variant of Jacob: He grasps the heel. Supplanter. | M | |
| 660 | Jaira | Hebrew | Feminine of Jairus. | M | |