| Name | Meaning | Gender | Origin |
|---|
| Kittens | | Unisex | Hebrew |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kobe | tortoise | Male | Swahili |
| Koda | | Male | |
| Lacey | Cheerful One | Female | English |
| Ladybug | | Female | Hebrew |
| Lancelot | Knight of Arthur and lover of Guinevere
| Male | |
| Larry | Abbreviation of Lawrence or Laurence often used as an independent name.
| Male | English |
| Legolas | Tolkien, Lord of the Rings | Unisex | |
| Leia | Weary | Unisex | Hebrew |
| Lenny | brave lion | Male | English |
| Leo | Lion.
| Male | Latin |
| Lewis | Renowned fighter. Form of Louis.
| Male | English |
| Lexi | Greek, feminine form of Alexander, defending men | Female | English |
| Lexie | Protector Of Mankind | Unisex | English |
| Libby | Diminutive of Elizabeth.
| Female | English |
| Lilly | Lily | Female | English |
| Lilo | generous one | Female | |
| Lily | Lily
| Female | English |
| Little Man | | Unisex | |
| Little One | | Unisex | Hebrew |
| Lizzie | From Elizabeth - Consecrated to God | Female | English |
| Logan | little hollow | Male | Scottish |