| Name | Meaning | Gender | Origin |
|---|
| Lila | night | Female | Arabic |
| Lilac | Bluish Purple | Female | Latin |
| Lily | Lily
| Female | English |
| Lina | tender | Unisex | |
| Linda | pretty | Female | |
| Lindberg | From the linden tree hill
| Male | |
| Lindeberg | From the linden tree hill
| Male | |
| Lindsay | pool island; linden island | Female | English |
| Lindy | Serpent | Unisex | English |
| Linn | Beautiful | Unisex | English |
| Lion | Lion | Unisex | English |
| Livia | Olive Tree | Female | English |
| Lora | Flower
| Female | |
| Lore | Flower
| Female | |
| Lorenzo | Form of Lawrence. Lorenzo de' Medici was a patron of Michaelangelo and Da Vinci.
| Male | Italian |
| Loretta | Pure
| Female | English |
| Lorna | of Lorne | Female | English |
| Lotus | freamlike, lotus flower | Female | Greek |
| Lynn | A cascade
| Male | Welsh |
| Magnolia | Flower
| Female | Latin |
| Mahogany | American evergreen tree valued for its hard, red-brown wood | Female | Spanish |
| Maki | | Unisex | Hebrew |
| Maple | Deciduous tree known for it's autumn colour. | Female | Tree |
| Marietta | Bitter | Female | Italian |
| Marigold | a flower | Female | |