| Name | Meaning | Gender | Origin |
|---|
| Lewis | Renowned fighter. Form of Louis.
| Male | English |
| Lexy | Greek, feminine form of Alexander, defending men | Female | English |
| Lia | dependence | Female | Italian |
| Lilian | lily | Female | English |
| Liliana | lily, a flower | Female | Italian |
| Lillian | lily, a flower | Female | English |
| Linda | pretty | Female | |
| Lindsay | pool island; linden island | Female | English |
| Lindy | Serpent | Unisex | English |
| Lionel | Cousin of Lancelot
| Male | Latin |
| Lise | Abbreviation of Elisabeth. My God is bountiful:God of plenty: devoted to God.
| Female | |
| Lisha | Noble, Kind | Unisex | English |
| Livingston | dear friend's place | Male | English |
| Lizard | | Unisex | Hebrew |
| Lockwood | From The Enclosed Wood | Unisex | English |
| London | fierce ruler of the world | Female | English |
| Loretta | Pure
| Female | English |
| Lottie | free man | Female | English |
| Louis | famed warrior | Male | |
| Love | loved one | Female | Word |
| Luci | Light | Unisex | English |
| Lucifer | light-bearer | Male | Latin |
| Lucifer | light-bearer | Male | Latin |
| Lucius | Light | Male | Roman |
| Lucrecia | Brings light
| Female | |