| Name | Meaning | Gender | Origin |
|---|
| Jackson | Son of Jack | Male | English |
| Jacob | The supplanter, held by the heel | Male | Hebrew |
| James | From Jacob - To fill the place of another, supplanter. | Male | English |
| Japan | | Unisex | Hebrew |
| Jazmyn | Jasmine | Unisex | Persian |
| Jefferson | son of Jeffrey | Male | English |
| Jesse | wealthy | Male | Hebrew |
| Joe | Abbreviation of Joseph.
| Male | English |
| Joe | Abbreviation of Joseph.
| Male | English |
| John | God is merciful | Male | Hebrew |
| Johnston | From John's farm
| Male | |
| Joliet | | Unisex | Hebrew |
| Jonathan | God gives | Male | Hebrew |
| Jones | God Will Bring | Male | Welsh |
| Joplin | the afflicted | Male | English |
| Jordan | The descending river, to flow | Male | Hebrew |
| Joseph | God will increase | Male | Hebrew |
| Joshua | God is salvation
| Male | Hebrew |
| 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 |
| Justin | just, true | Male | Latin |
| Keefer | Barrelmaker Variation of Cooper. Surname.
| Male | |
| Keene | Ancient.
| Male | |
| Keith | wood, wind; wood-dweller | Male | Scottish |
| Kevin | handsome | Male | Irish |
| Kidd | | Unisex | |