| Name | Meaning | Gender | Origin |
|---|
| Jay | Jay bird | Male | English |
| Jazmin | Flower | Female | English |
| Jela | Father suffered during birth of son | Unisex | African |
| Jen | White | Female | Cornish |
| Jeneva | Woman | Female | German |
| Jenifer | White | Female | Cornish |
| Jenna | White | Female | Cornish |
| Jennie | White | Female | Cornish |
| Jennifer | White | Female | Cornish |
| Jenny | White | Female | Cornish |
| Jess | Variant Of Jesse Jehovah Exists. | Unisex | Literary |
| Jester | A fool at medieval courts | Unisex | English |
| Johnson | God is gracious | Male | Hebrew |
| Jordan | Descend | Male | Hebrew |
| Jovita | Delight | Female | Latin |
| Kaden | Companion | Male | English |
| Kaitlin | Modern Phonetic Form Of The Irish Name Caitlin From Catherine Meaning Pure. | Female | Gaelic |
| Kaitlyn | Pure | Female | Gaelic |
| Kami | Altar server | Male | Latin |
| Karlyn | Womanly: Strength. Feminine Of Karl. | Female | English |
| Kat | Pure | Female | Greek |
| Katelyn | Pure | Female | Gaelic |
| Katherine | Pure | Female | Greek |
| Kathryn | Pure | Female | Greek |
| Katie | Pure | Female | Greek |
| Kay | Pure | Male | Greek |
| Kaylynn | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Keahi | The fire | Unisex | Hawaiian |
| Kei | Joyful | Female | Japanese |
| Kendra | Son of Henry | Female | Gaelic |