| Name | Meaning | Gender | Origin |
|---|
| James | From Jacob - To fill the place of another, supplanter. | Male | English |
| Jason | the Lord is salvation | Male | Hebrew |
| Jeff | pledge of peace | Male | English |
| Jeremy | God will uplift, appointed by God | Male | English |
| Jerome | sacred name | Male | Greek |
| Jerry | after Jerry Garcia, The Grateful Dead | Male | English |
| Jim | supplanter | Male | English |
| Jimmy | supplanter | Male | English |
| Joe | Abbreviation of Joseph.
| Male | English |
| Joe | Abbreviation of Joseph.
| Male | English |
| Joel | God is willing, Jehova is the Lord | Male | Hebrew |
| John | God is merciful | Male | Hebrew |
| Jon | God is gracious; or gift of Jehovah | Male | English |
| Jordan | The descending river, to flow | Male | Hebrew |
| Josh | God Saves | Unisex | English |
| Julius | after Julius Caesar | Male | Latin |
| Kareem | noble, distinguished | Male | Arabic |
| Ken | Male Barbie Doll. | Male | English |
| Kenny | English, born of fire, handsome | Male | English |
| Kevin | handsome | Male | Irish |
| Kirk | church | Male | Norse |
| Kobe | tortoise | Male | Swahili |
| Kobi | | Unisex | Hebrew |
| Kyrie | Lord, Ruler | Unisex | Latin |
| Lafayette | Hound Dog from the AristoCats
| Male | |