| Name | Meaning | Gender | Origin |
|---|
| Letha | Ladylike | Female | Greek |
| Licia | Of noble kind | Female | French |
| Lilac | Lilac flower | Female | French |
| Lily | Lily | Female | English |
| Lime | | Unisex | Hebrew |
| Lindsay | Uncertain, perhaps dark lake | Female | Gaelic |
| Lisle | Island | Unisex | French |
| Locke | A locksmith | Female | English |
| Lorelei | Murmuring rock | Female | German |
| Loretta | Laurel | Female | Latin |
| Lorna | From Laurentium: The Place Of The Laurel Trees: Place Of Honor And Victory. Feminine Of Lawrence. | Female | English |
| Lorraine | Of Lothair | Female | French |
| Lotus | Flowery | Female | Greek |
| Lourdes | Craggy slope | Female | Basque |
| Luna | Moon | Female | Latin |
| Luz | Light | Female | Spanish |
| Lydia | Noble kind | Female | Germanic |
| Madeira | A Portuguese desert wine. | Female | English |
| Madeline | From Magdala | Female | Hebrew |
| Magdalena | Of Magdala | Female | Hebrew |
| Magnolia | Magnol's flower | Female | Latin |
| Mahi | The great | Unisex | Sanskrit |
| Maralah | Given life during an earthquake | Female | Native American |
| Mare | Uncertain, maybe bitter | Unisex | Hebrew |
| Marigold | Golden Mary | Female | English |
| Marin | From the god Mars | Unisex | Latin |
| Marina | From the god Mars | Female | Latin |
| Marley | Pleasant wood | Female | English |
| May | The fifth month of the year | Female | English |
| Meadow | A meadow | Female | English |