| Name | Meaning | Gender | Origin |
|---|
| Jasper | Black stone
| Male | Persian |
| Javier | Born in January
| Male | Spanish |
| Jay | jaybird | Male | Latin |
| Jazmine | Jasmine | Unisex | English |
| Jean | God is gracious | Male | |
| Jeanette | French variation of Jean, God is gracious | Female | |
| Jeannette | God Is Gracious | Unisex | French |
| Jeffrey | pledge of peace | Male | Spelling |
| Jewel | Jewel
| Female | Word |
| Joaquina | God shall establish
| Female | Spanish |
| Jock | God has been gracious: has shown favor. Based on John or Jacques.
| Male | Scottish |
| Joelle | Jehovah is God
| Female | |
| Joellen | Jehovah is God. Feminine of Joel.
| Female | |
| Johnn | Variant of the Hebrew John Jehovah has been gracious: has shown favor.
| Male | |
| Johnnie | Modern feminine of John and Jon.
| Male | English |
| Joi | Joy | Unisex | English |
| Jolie | French for pretty | Female | |
| Jon | God is gracious; or gift of Jehovah | Male | English |
| Jordon | Flow, Descend | Unisex | English |
| Jordy | Flow, Descend | Unisex | English |
| Jori | Descending
| Male | |
| Joscelin | Member of the gaut tribe | Unisex | German |
| Jose | Jehovah increases | Male | Spanish |
| Josee | God Will Increase | Unisex | French |
| Josephina | God Will Increase | Unisex | Latin |