| Name | Meaning | Gender | Origin |
|---|
| Jonathon | gift of Jehovah | Male | Spelling |
| Jordan | The descending river, to flow | Male | Hebrew |
| Josh | God Saves | Unisex | English |
| Joshua | God is salvation
| Male | Hebrew |
| June | 6Th Month | Female | English |
| Kaelyn | meadow | Unisex | |
| Kahula | | Unisex | Hebrew |
| Kahuna | | Unisex | |
| Kai | Fire
| Male | Hawaiian |
| Kala | time, black | Unisex | |
| Kalea | bright | Unisex | |
| Kali | after the Indian goddess of death | Female | Sanskrit |
| Kana | Powerful | Unisex | Japanese |
| Kanye | after the rap artist Kanye West | Male | African |
| Kara | pure | Female | English |
| 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 |
| Kayla | crown of laurels | Female | Arabic |
| Keanu | cool breeze over the mountains | Male | Hawaiian |
| Keiki | Child | Unisex | Italian |
| Kekoa | Brave | Unisex | Hawaiian |
| Keone | Hawaiian for little rascal | Unisex | |
| Kiana | Variant of Kian. Ancient.
| Female | Modern |
| Kiara | Italian, light, clear | Female | Spelling |
| Kiki | From Enriqueta - Pet | Female | |