| Name | Meaning | Gender | Origin |
|---|
| Leonie | Lion | Female | English |
| Leopold | Bold people | Male | Germanic |
| Leroy | The king | Male | French |
| Leslie | Holly Garden | Female | Gaelic |
| Lester | From Leicester | Male | English |
| Leticia | Joy | Female | Latin |
| Levana | Moon | Female | Hebrew |
| Leverett | Hare | Male | French |
| Levi | Combined | Male | Hebrew |
| Lewis | Fame and war | Male | Germanic |
| Lexi | Defending men | Female | Greek |
| Lexie | Defending men | Female | Greek |
| Lexine | Defender Of Man | Female | English |
| Lexy | Defending men | Unisex | Greek |
| Lia | Uncertain, possibly from Rosalia | Female | Italian |
| Lian | Unisexual Name Meaning "The Graceful Willow" | Female | Latin |
| Lida | Noble kind | Female | Germanic |
| Lilac | Lilac flower | Female | French |
| Lilli | Lily | Female | English |
| Lillian | My God is a vow | Female | Hebrew |
| Lilliana | Lilies | Female | Latin |
| Lily | Lily | Female | English |
| Lincoln | Lake settlement, lake colony | Male | English |
| Lindsay | Uncertain, perhaps dark lake | Female | Gaelic |
| Lindsey | Lincoln island | Unisex | English |
| Linwood | From The Linden Tree Dell. | Male | English |
| Lionel | Lion | Male | Latin |
| Lister | | Unisex | Hebrew |
| Lizeth | My God is a vow | Female | Hebrew |
| Llewellyn | Luminescent | Male | Welsh |