| Name | Meaning | Gender | Origin |
|---|
| Leon | lion | Male | Greek |
| Leonardo | Lion-bold. Leonardo da Vinci is considered by many to be the most brilliant and creative men who ever lived.
| Male | Italian |
| Lettie | Joy, Gladness | Female | English |
| Liam | Form of William.
| Male | Irish |
| Libby | Diminutive of Elizabeth.
| Female | English |
| Lilac | Bluish Purple | Female | Latin |
| Lilith | character in Cheers | Female | Assyrian |
| Lillian | lily, a flower | Female | English |
| Lily | Lily
| Female | English |
| Linda | pretty | Female | |
| Lindsay | pool island; linden island | Female | English |
| Linka | | Unisex | Hebrew |
| Linn | Beautiful | Unisex | English |
| Lisa | Devoted to God
| Female | English |
| Little | | Male | Hebrew |
| Lizzy | My G-D Is An Oath, Pledged To G-D | Unisex | English |
| Lloyd | gray | Male | Welsh |
| Lois | Battle Maiden | Female | Greek |
| Lorna | of Lorne | Female | English |
| Lou | Famous Warrior | Male | English |
| Louie | renowned warrier | Male | English |
| Louis | famed warrior | Male | |
| Louise | Renowned fighter. Feminine of Louis.
| Female | |
| Lover | | Unisex | |
| Lucas | Form of Luke light: illumination.
| Male | Latin |