| Name | Meaning | Gender | Origin |
|---|
| Jazmine | Jasmine | Unisex | English |
| Jeanette | French variation of Jean, God is gracious | Female | |
| Jellylorum | | Unisex | Hebrew |
| Jemima | dove | Female | Hebrew |
| Jenesis | Creation or Beginning
| Female | |
| Joaquina | God shall establish
| Female | Spanish |
| Jordy | Flow, Descend | Unisex | English |
| Josephine | God will increase | Female | |
| Kara | pure | Female | English |
| Kareena | Pure, innocent, female friend
| Female | |
| Karen | pure | Female | Danish |
| Karis | Graceful.
| Female | |
| Kassandra | Shining On Mankind | Unisex | Greek |
| Kate | Pure | Female | English |
| Katherine | Pure. Used since third century A.D. Early Latin forms Katerina and Caterina became Katharine and Catherine. French Cateline and English Catlyn came into wider use during medieval period when variants multiplied.
| Female | Greek |
| Katina | Pure, Unsullied | Unisex | Greek |
| Keirsten | Variant of Kirsten.
| Female | |
| Kiki | From Enriqueta - Pet | Female | |
| Kiki | From Enriqueta - Pet | Female | |
| Kirsten | christian; stone church | Female | Scandinavian |
| Kirstin | Variant of Kristen. Follower of Christ.
| Female | |
| Kloey | Blooming. Variant of Chloe.
| Female | |
| Kristen | Anointed, Follower Of Christ | Female | Danish |
| Kyra | throne | Female | Feminine |
| Lara | citadel | Female | Russian |