| Name | Meaning | Gender | Origin |
|---|
| Joy | From Joyce - Gay and joyful | Female | Word |
| Julie | Youthful: Jove's child. A feminine of Julian.
| Female | |
| June | 6Th Month | Female | English |
| Juno | queen of the heavens | Female | Latin |
| Kai | Fire
| Male | Hawaiian |
| Kate | Pure | Female | English |
| Katie | Variant of Katherine. Pure.
| Female | English |
| Keith | wood, wind; wood-dweller | Male | Scottish |
| Kelly | Lively: aggressive.
| Female | Irish |
| Kerry | dark, dark-haired | Male | Irish |
| Kim | chief | Male | English |
| King | King's field. King is one of several titles occasionally used as given names.
| Male | English |
| Kitten | | Unisex | |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kiwi | | Unisex | Hebrew |
| Kyle | A place-name referring to the narrows: a wood or a church.
| Male | Scottish |
| Kyra | throne | Female | Feminine |
| Lady | A female title of nobility. | Female | |
| Lamb | | Unisex | |
| Lance | knight's attendant; land | Male | English |
| Lane | narrow road | Male | English |
| Lea | weary or meadow | Female | English |
| Lee | Healer
| Male | English |