| Name | Meaning | Gender | Origin |
|---|
| Larissa | name of a city, mythical woman; cheerful one | Female | Ltin |
| Laurel | Laurel
| Female | Latin |
| Leila | dark as the night | Female | Persian |
| Lila | night | Female | Arabic |
| Lilia | Lilac | Female | Slavic |
| Liliana | lily, a flower | Female | Italian |
| Lillian | lily, a flower | Female | English |
| Lily | Lily
| Female | English |
| Livia | Olive Tree | Female | English |
| Lorenzo | Form of Lawrence. Lorenzo de' Medici was a patron of Michaelangelo and Da Vinci.
| Male | Italian |
| Louis | famed warrior | Male | |
| Lucia | Light | Female | Italian |
| Luciana | light | Female | Italian |
| Lucien | light | Male | |
| Lucille | light | Female | |
| Lydia | woman from Persia, beauty | Female | Greek |
| Lyra | lyre | Female | Greek |
| Macie | Weapon | Unisex | French |
| Madeline | woman from Magdala, one who is elevated, a high tower | Female | English |
| Maisie | child of light | Female | Scottish |
| Mara | Sorrowful | Female | Hebrew |
| Margo | Pearl | Female | English |
| Margot | Variant of Margaret | Female | |
| Marguerite | Pearl | Female | |
| Marie | Bitter
| Female | |