| Name | Meaning | Gender | Origin |
|---|
| Les | Holly Garden | Male | Gaelic |
| Lestat | | Unisex | Hebrew |
| Levi | Combined | Male | Hebrew |
| Liam | Will, desire and helmet, protection | Male | Germanic |
| Lincoln | Lake settlement, lake colony | Male | English |
| Linus | Flaxen-Haired | Male | Greek |
| Lionel | Lion | Male | Latin |
| Logan | Hollow | Unisex | Gaelic |
| Lorenzo | Man from Laurentum | Male | Latin |
| Louis | Fame and war | Male | Germanic |
| Luca | Man from Lucania | Unisex | Greek |
| Lucas | Man from Lucania | Male | Greek |
| Lukas | Man from Lucania | Male | Greek |
| Luke | Man from Lucania | Male | Greek |
| Maddox | Good | Unisex | Welsh |
| Magnus | Great | Male | Latin |
| Malcolm | Columba's servant | Male | Gaelic |
| Marcus | From the god Mars | Male | Latin |
| Marshall | Horse servant | Male | Germanic |
| Mason | Bricklayer | Male | French |
| Max | Little Maximus | Male | Latin |
| Maxwell | Maccus's stream | Male | English |
| Miles | Uncertain, perhaps peaceful | Male | Germanic |
| Milo | Uncertain, perhaps peaceful | Male | Germanic |
| Mohin | Handsome | Male | Indian |
| Murray | Man of the sea | Male | Gaelic |
| Nathanial | Gift of god | Male | Hebrew |
| Ned | Wealth protector | Unisex | English |
| Neil | Champion | Male | Gaelic |
| Nelson | Son of Neal | Male | English |