| Name | Meaning | Gender | Origin |
|---|
| Justin | just, true | Male | Latin |
| Kacie | vigilant in war | Female | English |
| Kade | From the wetlands.
| Male | Spelling |
| Kai | Fire
| Male | Hawaiian |
| Kaiden | Fighter | Unisex | American |
| Kali | after the Indian goddess of death | Female | Sanskrit |
| Kamden | Winding Valley. Form of Camden.
| Male | Spelling |
| Kameron | Scottish surname, crooked nose | Male | Spelling |
| Karma | Fate or destiny (Hinduism and Buddhism) | Female | Hindi |
| Kate | Pure | Female | English |
| Katie | Variant of Katherine. Pure.
| Female | English |
| Kayla | crown of laurels | Female | Arabic |
| Kaylee | Arabic and Hebrew, laurel, crown | Female | American |
| Keira | after the actress Keira Knightley | Female | Irish |
| Keiran | Little, Dark | Unisex | Celtic |
| Kellogg | | Unisex | Hebrew |
| Kevin | handsome | Male | Irish |
| Kimberly | Cyneburga's Royal Forest, Meadow | Female | English |
| Kismet | fate, destiny | Female | Word |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kyle | A place-name referring to the narrows: a wood or a church.
| Male | Scottish |
| Kylie | Boomerang. Feminine form of Kyle.
| Female | Aboriginal |
| Lacey | Cheerful One | Female | English |