| Name | Meaning | Gender | Origin |
|---|
| Kiki | From Enriqueta - Pet | Female | |
| Kiki | From Enriqueta - Pet | Female | |
| Kirsten | christian; stone church | Female | Scandinavian |
| Kirstin | Variant of Kristen. Follower of Christ.
| Female | |
| Kloey | Blooming. Variant of Chloe.
| Female | |
| Kristen | Anointed, Follower Of Christ | Female | Danish |
| Kristopher | Greek and Latin, bearer of Christ | Male | Greek |
| Kyra | throne | Female | Feminine |
| Lacy | Derived from Lacey which is a French Nobleman's surname brought to British Isles after Norman conquest.
| Male | |
| Lara | citadel | Female | Russian |
| Larissa | name of a city, mythical woman; cheerful one | Female | Ltin |
| Leander | lion man | Male | Greek |
| Lena | Alluring, Temptress, Light | Female | Greek |
| Leo | Lion.
| Male | Latin |
| Lexi | Greek, feminine form of Alexander, defending men | Female | English |
| Lexie | Protector Of Mankind | Unisex | English |
| Lexy | Greek, feminine form of Alexander, defending men | Female | English |
| Lia | dependence | Female | Italian |
| Lina | tender | Unisex | |
| Linus | flaxen-haired | Male | Greek |
| Lola | strong woman | Female | Spanish |
| Lucius | Light | Male | Roman |
| Luna | moon | Female | Latin |
| Lycus | | Unisex | Hebrew |
| Lydia | woman from Persia, beauty | Female | Greek |