| Name | Meaning | Gender | Origin |
|---|
| James | From Jacob - To fill the place of another, supplanter. | Male | English |
| Jason | the Lord is salvation | Male | Hebrew |
| Jay | jaybird | Male | Latin |
| Jean | God is gracious | Male | |
| Jefferson | son of Jeffrey | Male | English |
| Jeffrey | pledge of peace | Male | Spelling |
| Jerry | after Jerry Garcia, The Grateful Dead | Male | English |
| Jesse | wealthy | Male | Hebrew |
| Joe | Abbreviation of Joseph.
| Male | English |
| Joe | Abbreviation of Joseph.
| Male | English |
| John | God is merciful | Male | Hebrew |
| Jon | God is gracious; or gift of Jehovah | Male | English |
| Jose | Jehovah increases | Male | Spanish |
| Joseph | God will increase | Male | Hebrew |
| Joshua | God is salvation
| Male | Hebrew |
| Jules | youthful; soft, downy | Male | |
| Julius | after Julius Caesar | Male | Latin |
| Justin | just, true | Male | Latin |
| Justus | Just | Male | Roman |
| Kincaid | | Unisex | Hebrew |
| King | King's field. King is one of several titles occasionally used as given names.
| Male | English |
| Larry | Abbreviation of Lawrence or Laurence often used as an independent name.
| Male | English |
| Lee | Healer
| Male | English |
| Leland | from the meadow land | Male | English |
| Leo | Lion.
| Male | Latin |