| Name | Meaning | Gender | Origin |
|---|
| Jade | Jewel. Courageous and adoring.
| Female | Spanish |
| Jai | Victorious | Unisex | Hindu |
| Jane | gracious, merciful, God is gracious | Female | English |
| Jasmine | Flower
| Female | Persian |
| Java | Brewed coffee | Female | Anglicization |
| Josh | God Saves | Unisex | English |
| Josie | From Josephine - She shall add. | Female | English |
| Journey | Journey | Female | English |
| June | 6Th Month | Female | English |
| Justice | Just, Fairness | Female | English |
| Kate | Pure | Female | English |
| Kathleen | Innocent
| Female | Anglicized |
| Kaya | my elder sister | Female | Native |
| Keeva | gentle, beautiful, precious | Female | Irish |
| Keira | after the actress Keira Knightley | Female | Irish |
| Kennedy | misshapen head | Female | Irish |
| Kimora | Kim + Ora, Ruler | Female | American |
| Kira | Dark Lady.
| Female | Russian |
| Koa | Hawaiian for strong | Unisex | |
| Leah | cow, weary one; glad tidings; mistress, ruler | Female | Hebrew |
| Liberty | Free
| Female | Word |
| Lilah | The Lily | Unisex | |
| Lillian | lily, a flower | Female | English |
| Lily | Lily
| Female | English |
| Lion | Lion | Unisex | English |