| Name | Meaning | Gender | Origin |
|---|
| Julius | after Julius Caesar | Male | Latin |
| Juno | queen of the heavens | Female | Latin |
| Jupiter | Zeus, Father | Male | Roman |
| Kate | Pure | Female | English |
| Katisha | | Unisex | Hebrew |
| Kiri | tree bark | Female | Maori |
| Konrad | Bold, Wise Councelor | Unisex | German |
| Kylie | Boomerang. Feminine form of Kyle.
| Female | Aboriginal |
| Laura | bay laurel | Female | Latin |
| Leonora | Light | Female | Italian |
| Leopold | after Leopoldo in the movie Blood and Roses | Male | |
| Linda | pretty | Female | |
| Lisa | Devoted to God
| Female | English |
| Lothario | | Male | |
| Louis | famed warrior | Male | |
| Louise | Renowned fighter. Feminine of Louis.
| Female | |
| Lucia | Light | Female | Italian |
| Lucilla | Light | Female | Italian |
| Lucinda | light | Female | English |
| Lucio | Spanish form of Luke light
| Male | |
| Lucretia | Riches | Female | Latin |
| Lucy | light: illumination.
| Female | English |
| Luisa | Spanish form of Louise famous in war
| Female | Italian |
| Lulu | Pet form of the names Louise or Louella.
| Female | English |
| Luther | Renowned warrior.
| Male | |