| Name | Meaning | Gender | Origin |
|---|
| Leah | cow, weary one; glad tidings; mistress, ruler | Female | Hebrew |
| Leigh | meadow | Female | English |
| Lena | Alluring, Temptress, Light | Female | Greek |
| Lennon | small cloak or cape | Male | Irish |
| Libby | Diminutive of Elizabeth.
| Female | English |
| Lila | night | Female | Arabic |
| Lilac | Bluish Purple | Female | Latin |
| Liliana | lily, a flower | Female | Italian |
| Lilith | character in Cheers | Female | Assyrian |
| Lily | Lily
| Female | English |
| Lois | Battle Maiden | Female | Greek |
| Louise | Renowned fighter. Feminine of Louis.
| Female | |
| Lucille | light | Female | |
| Lucinda | light | Female | English |
| Lucy | light: illumination.
| Female | English |
| Luna | moon | Female | Latin |
| Luther | Renowned warrior.
| Male | |
| Lyra | lyre | Female | Greek |
| Madeline | woman from Magdala, one who is elevated, a high tower | Female | English |
| Mae | bitter | Female | English |
| Mansfield | From The Field By The Small River | Unisex | English |
| Margaret | after Margaret Thatcher | Female | Greek |
| Margot | Variant of Margaret | Female | |
| Maria | bitter | Female | Latin |
| Marianne | little Mary | Female | |