| Name | Meaning | Gender | Origin |
|---|
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kohana | little flower | Unisex | |
| Kristen | Anointed, Follower Of Christ | Female | Danish |
| Kylie | Boomerang. Feminine form of Kyle.
| Female | Aboriginal |
| Ladybug | | Female | Hebrew |
| Lassie | Girl
| Female | |
| Leah | cow, weary one; glad tidings; mistress, ruler | Female | Hebrew |
| Lego | | Unisex | |
| Lemon | | Unisex | Hebrew |
| Lil | English from Latin, lily, a flower | Female | English |
| Lil | English from Latin, lily, a flower | Female | English |
| Lily | Lily
| Female | English |
| Little Bit | | Unisex | |
| Little Guy | | Unisex | Hebrew |
| Little One | | Unisex | Hebrew |
| Lollipop | | Unisex | |
| Loon | | Unisex | |
| Louise | Renowned fighter. Feminine of Louis.
| Female | |
| Lucita | Little light
| Female | |
| Lulu | Pet form of the names Louise or Louella.
| Female | English |
| M | | Unisex | |
| Maleah | Bitter | Unisex | American |
| Manya | Bitter
| Female | |
| Marshmallow | A soft spongy sweet confectionery. Also a timid person. | Unisex | |