| Name | Meaning | Gender | Origin |
|---|
| Jasmine | Flower
| Female | Persian |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jazz | The romantic music
| Male | Word |
| Jesse | wealthy | Male | Hebrew |
| Jezabel | | Unisex | Hebrew |
| Jordan | The descending river, to flow | Male | Hebrew |
| Joyce | after James Augustine Aloysius Joyce, Irish writer and poet | Female | Latin |
| Jumper | | Male | Hebrew |
| Juniper | Juniper Tree | Female | English |
| Kai | Fire
| Male | Hawaiian |
| Kara | pure | Female | English |
| Katie | Variant of Katherine. Pure.
| Female | English |
| Katrina | Greek, pure | Female | |
| Kendall | ruler of the valley | Female | English |
| Kia | season's beginning | Female | African |
| Kiki | From Enriqueta - Pet | Female | |
| Kiki | From Enriqueta - Pet | Female | |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kona | Dark rich coffee blend from Hawaii. | Unisex | |
| Kudzu | | Unisex | |
| Lady | A female title of nobility. | Female | |