| Name | Meaning | Gender | Origin |
|---|
| Kasey | Vigilant, Watchful | Female | English |
| Kasper | treasurer | Male | Persian |
| Kaya | my elder sister | Female | Native |
| Keegan | A thinker: fiery. Form of Hugh.
| Male | Irish |
| Keiki | Child | Unisex | Italian |
| Keller | cellar master | Male | |
| Keno | | Unisex | Hebrew |
| Kewpie | | Unisex | Hebrew |
| Kiara | Italian, light, clear | Female | Spelling |
| Kibbles | | Unisex | Hebrew |
| Kibbles | | Unisex | |
| Kiki | From Enriqueta - Pet | Female | |
| Kiki | From Enriqueta - Pet | Female | |
| Killian | church | Male | Irish |
| King | King's field. King is one of several titles occasionally used as given names.
| Male | English |
| Kisses | One who likes to kiss | Male | |
| Kit | Nickname for Christopher. Frontiersman Kit Carson.
| Male | English |
| Kita | north | Unisex | |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kohana | little flower | Unisex | |
| Kylie | Boomerang. Feminine form of Kyle.
| Female | Aboriginal |
| Lacy | Derived from Lacey which is a French Nobleman's surname brought to British Isles after Norman conquest.
| Male | |
| Lady | A female title of nobility. | Female | |