| Name | Meaning | Gender | Origin |
|---|
| Jackson | Son of Jack | Male | English |
| Jamaica | Isle with many springs | Female | Place-name |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Java | Brewed coffee | Female | Anglicization |
| Jay | jaybird | Male | Latin |
| Jefferson | son of Jeffrey | Male | English |
| Jericho | Place In Israel | Male | Hebrew |
| Jeter | after Derek Sanderson Jeter, Yankee's shortstop | Male | |
| Jordan | The descending river, to flow | Male | Hebrew |
| Keene | Ancient.
| Male | |
| Kendall | ruler of the valley | Female | English |
| Kennedy | misshapen head | Female | Irish |
| Kensington | | Male | Hebrew |
| Kingston | From the king's village or estate King's field. King is one of several titles occasionally used as given names.
| Male | English |
| Kirkwood | From The Church's Forest | Unisex | English |
| Lafayette | Hound Dog from the AristoCats
| Male | |
| Laurel | Laurel
| Female | Latin |
| Lee | Healer
| Male | English |
| Leon | lion | Male | Greek |
| Lewis | Renowned fighter. Form of Louis.
| Male | English |
| Liberty | Free
| Female | Word |
| Lima | Mythical Goddess Of The Threshold | Unisex | Latin |
| Lincoln | Capital of Nebraska, USA. Old English: home by the pond | Male | English |