| Name | Meaning | Gender | Origin |
|---|
| Kahula | | Unisex | Hebrew |
| Kahuna | | Unisex | |
| Kala | time, black | Unisex | |
| Kalea | bright | Unisex | |
| Kali | after the Indian goddess of death | Female | Sanskrit |
| Kana | Powerful | Unisex | Japanese |
| 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 |
| 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 | |
| Kiki | From Enriqueta - Pet | Female | |
| Koa | Hawaiian for strong | Unisex | |
| Kona | Dark rich coffee blend from Hawaii. | Unisex | |
| Lala | Tulip | Female | Slavic |
| Lana | Attractive | Female | English |
| Lani | sky, heaven | Unisex | |
| Lea | weary or meadow | Female | English |
| Leia | Weary | Unisex | Hebrew |
| Lilo | generous one | Female | |