| Name | Meaning | Gender | Origin |
|---|
| Jerome | sacred name | Male | Greek |
| Jerry | after Jerry Garcia, The Grateful Dead | Male | English |
| Jesse | wealthy | Male | Hebrew |
| Jessy | God's Gracious Gift | Unisex | Hebrew |
| Jethro | excellence | Male | Hebrew |
| Jim | supplanter | Male | English |
| Jimmy | supplanter | Male | English |
| Jodie | From Judith - Admired and praised | Unisex | |
| Joe | Abbreviation of Joseph.
| Male | English |
| Joe | Abbreviation of Joseph.
| Male | English |
| John | God is merciful | Male | Hebrew |
| Johnny | the Lord is gracious | Male | English |
| Johnson | Son of John
| Male | English |
| Jon | God is gracious; or gift of Jehovah | Male | English |
| Jonathan | God gives | Male | Hebrew |
| Jones | God Will Bring | Male | Welsh |
| Jordan | The descending river, to flow | Male | Hebrew |
| Jorge | Spanish form of George farmer
| Male | Spanish |
| Josh | God Saves | Unisex | English |
| Jr. | | Unisex | Hebrew |
| Judge | One who hears and decides Court cases. | Male | Word |
| 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 |
| Jump | | Unisex | |
| Junior | Youthful person. Used to distinguish son from father where they have the same name | Male | Latin |
| Justin | just, true | Male | Latin |