| Name | Meaning | Gender | Origin |
|---|
| Jonas | Dove. Variant of Hebrew Jonah.
| Male | Greek |
| Julius | after Julius Caesar | Male | Latin |
| Kachina | Sacred Dancer | Unisex | Native American |
| Kai | Fire
| Male | Hawaiian |
| Kalea | bright | Unisex | |
| Kana | Powerful | Unisex | Japanese |
| Kane | tribute, warrior; the doubly-accomplished, golden; man, the eastern sky; beautiful | Male | Celtic |
| Kari | curly hair | Male | Norse |
| Kato | second of twins | Male | African |
| Kayleigh | Slender | Unisex | English |
| Keefer | Barrelmaker Variation of Cooper. Surname.
| Male | |
| Keegan | A thinker: fiery. Form of Hugh.
| Male | Irish |
| Keenan | Ancient
| Male | Irish |
| Keene | Ancient.
| Male | |
| Keith | wood, wind; wood-dweller | Male | Scottish |
| Keller | cellar master | Male | |
| Kerry | dark, dark-haired | Male | Irish |
| King | King's field. King is one of several titles occasionally used as given names.
| Male | English |
| Kiora | Little, Dark | Unisex | Celtic |
| Kita | north | Unisex | |
| Klaus | Scandinavian and German variation of Nicolas | Male | |
| Kuma | Bear (Japanese). Also to call - kuma (come) here. | Unisex | |
| Kyle | A place-name referring to the narrows: a wood or a church.
| Male | Scottish |
| Lachlan | From the land of lakes.
| Male | Scottish |
| Lamar | land | Male | English |