| Name | Meaning | Gender | Origin |
|---|
| Jack | From John - God's gracious gift | Male | English |
| Jacob | The supplanter, held by the heel | Male | Hebrew |
| Jaffa | beautiful | Female | Hebrew |
| Jaina | good character | Unisex | |
| Jake | From Jacob - To fill the place of another | Male | Hebrew |
| James | From Jacob - To fill the place of another, supplanter. | Male | English |
| Jamie | Feminine of James | Female | Scottish |
| Jana | Feminine variation of John | Female | Czech |
| Jane | gracious, merciful, God is gracious | Female | English |
| Janet | Variant of Jane | Female | English |
| Janie | Jehovah Has Been Gracious; Has Shown Favor. Variant Of Joan. | Unisex | English |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jean | God is gracious | Male | |
| Jeb | beloved friend | Male | English |
| Jed | the hand | Male | English |
| Jedi | Beloved By God | Unisex | Hebrew |
| Jemima | dove | Female | Hebrew |
| Jeramiah | | Unisex | Hebrew |
| Jeremiah | Exalted of the Lord
| Male | Hebrew |
| Jeremias | Exalted of the Lord
| Male | |
| Jeremy | God will uplift, appointed by God | Male | English |
| Jess | Gift | Male | English |
| Jesse | wealthy | Male | Hebrew |