| Name | Meaning | Gender | Origin |
|---|
| Lexi | Greek, feminine form of Alexander, defending men | Female | English |
| Lexy | Greek, feminine form of Alexander, defending men | Female | English |
| Licorice | Confection made from the licorice root. | Unisex | |
| Lightning | | Unisex | Hebrew |
| Lillian | lily, a flower | Female | English |
| Lilly | Lily | Female | English |
| Lilo | generous one | Female | |
| Lily | Lily
| Female | English |
| Limbo | | Unisex | Hebrew |
| Little Bit | | Unisex | |
| Lizzie | From Elizabeth - Consecrated to God | Female | English |
| Lois | Battle Maiden | Female | Greek |
| Lola | strong woman | Female | Spanish |
| Lotti | | Female | |
| Lottie | free man | Female | English |
| Lotus | freamlike, lotus flower | Female | Greek |
| Lucinda | light | Female | English |
| Lucy | light: illumination.
| Female | English |
| Lulu | Pet form of the names Louise or Louella.
| Female | English |
| Luna | moon | Female | Latin |
| Mabel | my fair maid; lovely | Female | English |
| Macavity | | Unisex | |
| Machiavelli | | Unisex | |
| Macie | Weapon | Unisex | French |
| Mackie | | Unisex | Hebrew |