| Name | Meaning | Gender | Origin |
|---|
| Jacques | supplanter | Male | |
| Jade | Jewel. Courageous and adoring.
| Female | Spanish |
| Jakob | Supplanter, Representative | Unisex | German |
| Jamie | Feminine of James | Female | Scottish |
| Jasmin | A flower name from the older form Jessamine.
| Female | |
| Jean | God is gracious | Male | |
| Jennifer | white shadow, white wave | Female | Cornish |
| Jenny | Diminutive of Jane and Jennifer.
| Female | English |
| Jenny | Diminutive of Jane and Jennifer.
| Female | English |
| Jeremy | God will uplift, appointed by God | Male | English |
| Jerk | Ever Powerful Ruler | Unisex | Swedish |
| Jerome | sacred name | Male | Greek |
| Jessica | God's grace | Female | Hebrew |
| Jessy | God's Gracious Gift | Unisex | Hebrew |
| Jock | God has been gracious: has shown favor. Based on John or Jacques.
| Male | Scottish |
| Joey | Abbreviation of Joseph.
| Male | |
| Joey | Abbreviation of Joseph.
| Male | |
| Jojo | | Female | Hebrew |
| Jonas | Dove. Variant of Hebrew Jonah.
| Male | Greek |
| Jonathan | God gives | Male | Hebrew |
| Joseph | God will increase | Male | Hebrew |
| Julia | Youthful
| Female | Latin |
| Julian | Jove's child. Form of Julius and family clan name of several powerful Roman emperors. Biblical Roman centurion Julius saved Paul's life during a hazardous voyage
| Male | English |
| Juliette | youthful | Female | |
| Justine | just, true | Female | |