| Name | Meaning | Gender | Origin |
|---|
| Lionel | Lion | Male | Latin |
| London | From London | Male | English |
| Lorenzo | Man from Laurentum | Male | Latin |
| Lou | Fame and war | Male | Germanic |
| Louie | Fame and war | Male | Germanic |
| Lucky | Fortunate | Unisex | English |
| Luke | Man from Lucania | Male | Greek |
| Lyle | Island | Male | French |
| Maddox | Good | Unisex | Welsh |
| Marley | Pleasant wood | Female | English |
| Marlo | Drained lake | Female | English |
| Marly | From The March Meadow | Female | English |
| Marshall | Horse servant | Male | Germanic |
| Maverick | Dissenter | Unisex | English |
| Max | Little Maximus | Male | Latin |
| Maximus | The greatest | Male | Latin |
| Meeko | | Unisex | Hebrew |
| Mekhi | | Male | Hebrew |
| Memphis | City Of Moph | Female | Hebrew |
| Mervyn | Uncertain, possibly eminent marrow | Male | Welsh |
| Miles | Uncertain, perhaps peaceful | Male | Germanic |
| Milo | Uncertain, perhaps peaceful | Male | Germanic |
| Miner | Miner | Male | English |
| Monet | Solitary | Unisex | French |
| Monty | Gomeric's hill | Male | French |
| Moon | Letters | Female | Korean |
| Myra | Uncertain, perhaps myrrh, unguent | Female | Latin |
| Neil | Champion | Male | Gaelic |
| Nelson | Son of Neal | Male | English |
| Nugget | As in Chicken | Unisex | English |