| Name | Meaning | Gender | Origin |
|---|
| Jessica | God's grace | Female | Hebrew |
| Jessie | wealthy | Female | Anglicized |
| Jessy | God's Gracious Gift | Unisex | Hebrew |
| Jethro | excellence | Male | Hebrew |
| Jett | Jet Black Gem | Male | English |
| Jezebel | follower of idols | Female | Hebrew |
| Jim | supplanter | Male | English |
| Jimmy | supplanter | Male | English |
| Joanna | after the character in The Rescuers Down Under cartoon | Female | English |
| Joaquina | God shall establish
| Female | Spanish |
| Job | The Persecuted | Male | Hebrew |
| Jock | God has been gracious: has shown favor. Based on John or Jacques.
| Male | Scottish |
| Jodie | From Judith - Admired and praised | Unisex | |
| Joel | God is willing, Jehova is the Lord | Male | Hebrew |
| Joelle | Jehovah is God
| Female | |
| Joellen | Jehovah is God. Feminine of Joel.
| Female | |
| John | God is merciful | Male | Hebrew |
| Jola | God is willing | Female | Hebrew |
| Jon | God is gracious; or gift of Jehovah | Male | English |
| Jonah | Dove. In the bible Jonah was on board a ship God caused to sink: sailors traditionally use the name Jonah to personify someone who brings bad luck.
| Male | Hebrew |
| Jonas | Dove. Variant of Hebrew Jonah.
| Male | Greek |
| Jonathan | God gives | Male | Hebrew |
| Jonathon | gift of Jehovah | Male | Spelling |
| Jordan | The descending river, to flow | Male | Hebrew |
| Jordy | Flow, Descend | Unisex | English |