| Name | Meaning | Gender | Origin |
|---|
| Jewel | Jewel
| Female | Word |
| Joanna | after the character in The Rescuers Down Under cartoon | Female | English |
| Joy | From Joyce - Gay and joyful | Female | Word |
| Juliet | youthful | Female | English |
| Kara | pure | Female | English |
| Karina | Italian, dear little one | Female | Scandinavian |
| Kiana | Variant of Kian. Ancient.
| Female | Modern |
| Kira | Dark Lady.
| Female | Russian |
| Kismet | fate, destiny | Female | Word |
| Kit Kat | | Unisex | |
| Kit Kat | | Unisex | |
| Kitten | | Unisex | |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Lacey | Cheerful One | Female | English |
| Lady Bug | | Unisex | |
| Lady Luck | | Unisex | Hebrew |
| Lana | Attractive | Female | English |
| Lara | citadel | Female | Russian |
| Laurel | Laurel
| Female | Latin |
| Leela | Playful | Female | Hindu |
| Lena | Alluring, Temptress, Light | Female | Greek |
| Lilac | Bluish Purple | Female | Latin |
| Lillian | lily, a flower | Female | English |