| Name | Meaning | Gender | Origin |
|---|
| Ludwig | Fame and war | Male | Germanic |
| Lukas | Man from Lucania | Male | Greek |
| Mac | Son of | Male | Gaelic |
| Mackenzie | Son of Coinneach | Male | Gaelic |
| Macy | Place of Maccius | Male | English |
| Maddie | Pet form of Mad- names | Unisex | English |
| Maestro | | Unisex | Hebrew |
| Magic | Possessing qualities that produce baffling effects | Unisex | English |
| Magnum | A large type of wine bottle. | Unisex | English |
| Major | Greater | Male | Latin |
| Manny | God is with us | Male | Hebrew |
| Mark | From the god Mars | Male | Latin |
| Matrix | | Unisex | Hebrew |
| Mavis | Song thrush | Male | English |
| Max | Little Maximus | Male | Latin |
| Maximus | The greatest | Male | Latin |
| Mayhem | | Unisex | Hebrew |
| Melvin | Uncertain, possibly bad town | Male | English |
| Mickey | Who is like God? | Unisex | Hebrew |
| Micro | | Unisex | Hebrew |
| Midnight | Intense darkness, the middle of the night | Unisex | English |
| Milo | Uncertain, perhaps peaceful | Male | Germanic |
| Moet | Brand of French Champagne | Unisex | English |
| Monty | Gomeric's hill | Male | French |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | English |
| Mozart | | Unisex | Hebrew |
| Munchkin | A very small elflike person. | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |
| Nelson | Son of Neal | Male | English |
| Nigel | Champion From The Irish And Scottish Niall. | Male | Gaelic |