| Name | Meaning | Gender | Origin |
|---|
| Lee | Clearing, meadow | Female | English |
| Lemon | Beloved man | Unisex | English |
| Leon | Lion | Male | Latin |
| Leonardo | Strong as the lion | Male | Germanic |
| Liam | Will, desire and helmet, protection | Male | Germanic |
| Lilac | Lilac flower | Female | French |
| Lillian | My God is a vow | Female | Hebrew |
| Lily | Lily | Female | English |
| Linc | Lake settlement, lake colony | Unisex | English |
| Linda | Snake | Female | English |
| Lindsay | Uncertain, perhaps dark lake | Female | Gaelic |
| Lindsey | Lincoln island | Unisex | English |
| Lisbeth | My God is a vow | Female | Hebrew |
| Little | | Unisex | Hebrew |
| Lizzy | My God is a vow | Unisex | Hebrew |
| Lloyd | Grey | Male | Welsh |
| Lois | Battle Maiden | Female | Greek |
| Lorena | Man from Laurentum | Female | Latin |
| Lorin | Laurel tree | Unisex | French |
| Lorna | From Laurentium: The Place Of The Laurel Trees: Place Of Honor And Victory. Feminine Of Lawrence. | Female | English |
| Lou | Fame and war | Male | Germanic |
| Louie | Fame and war | Male | Germanic |
| Louis | Fame and war | Male | Germanic |
| Louise | Fame and war | Female | Germanic |
| Lucas | Man from Lucania | Male | Greek |
| Lucinda | Light | Female | Latin |
| Lucio | Light | Male | Latin |
| Ludwig | Fame and war | Male | Germanic |
| Luis | Fame and war | Male | Germanic |
| Luke | Man from Lucania | Male | Greek |