| Name | Meaning | Gender | Origin |
|---|
| Kazak | | Male | Hebrew |
| Keanu | cool breeze over the mountains | Male | Hawaiian |
| Keegan | A thinker: fiery. Form of Hugh.
| Male | Irish |
| Keeper | | Unisex | Hebrew |
| Keifer | Barrelmaker Variation of Cooper. Surname.
| Male | |
| Keiki | Child | Unisex | Italian |
| Keller | cellar master | Male | |
| Keno | | Unisex | Hebrew |
| Kensington | | Male | Hebrew |
| Kerouac | | Male | Hebrew |
| Kesha | | Female | |
| Kevin | handsome | Male | Irish |
| Khaki | Light olive brown colour | Unisex | |
| Khaleesi | Modern Invented Name | Female | English |
| Kiara | Italian, light, clear | Female | Spelling |
| Kid | | Unisex | Hebrew |
| Kiki | From Enriqueta - Pet | Female | |
| Kiki | From Enriqueta - Pet | Female | |
| Killer | | Unisex | |
| King Tut | | Unisex | |
| Kiowa | | Unisex | Hebrew |
| Kipling | after Rudyard Kipling, writer | Unisex | |
| Kiri | tree bark | Female | Maori |
| Kismet | fate, destiny | Female | Word |
| Kit | Nickname for Christopher. Frontiersman Kit Carson.
| Male | English |