| Name | Meaning | Gender | Origin |
|---|
| Leander | Lion Man | Male | Greek |
| Lela | Dark-haired beauty | Female | Persian |
| Leon | Lion | Male | Latin |
| Leonard | Strong as the lion | Male | Germanic |
| Lev | Heart | Male | Hebrew |
| Liam | Will, desire and helmet, protection | Male | Germanic |
| Liberty | Freedom | Female | Latin |
| Lidia | Woman from Lydia | Female | Greek |
| Lilian | My God is a vow | Female | Hebrew |
| Liliana | Lilies | Female | Latin |
| Lincoln | Lake settlement, lake colony | Male | English |
| Linda | Snake | Female | English |
| Linus | Flaxen-Haired | Male | Greek |
| Livia | Life. Ancient Roman Name. Abbreviation Of Olivia. | Female | Latin |
| Logan | Hollow | Unisex | Gaelic |
| Loretta | Laurel | Female | Latin |
| Lourdes | Craggy slope | Female | Basque |
| Lucas | Man from Lucania | Male | Greek |
| Lucian | Light | Male | Latin |
| Mabel | Lovable | Female | French |
| Madeline | From Magdala | Female | Hebrew |
| Maira | Uncertain, perhaps myrrh, onguent | Female | Latin |
| Mairead | Pearl | Female | Greek |
| Margaret | Pearl | Female | Greek |
| Margarita | Pearl | Female | Greek |
| Margaux | Pearl | Female | Greek |
| Marguerite | Pearl | Female | Greek |
| Maria | Bitter | Female | Hebrew |
| Mariana | Latinate form of Marian | Female | Latin |
| Marietta | Uncertain, maybe bitter | Female | Hebrew |