| Name | Meaning | Gender | Origin |
| Marvin | Uncertain, possibly eminent marrow | Male | Welsh |
| Maximilian | Little Maximus | Male | Latin |
| Maxwell | Maccus's stream | Male | English |
| Maynard | Mighty and brave | Male | Germanic |
| Melville | Bad town | Male | French |
| Melvin | Uncertain, possibly bad town | Male | English |
| Merlin | Sea fort | Male | Welsh |
| Mervin | Uncertain, possibly eminent marrow | Male | Welsh |
| Mervyn | Uncertain, possibly eminent marrow | Male | Welsh |
| Milo | Uncertain, perhaps peaceful | Male | Germanic |
| Milton | Settlement by the mill | Male | English |
| Montgomery | Gomeric's hill | Male | French |
| Moony | | Unisex | Hebrew |
| Morris | Moor | Male | Latin |
| Mortimer | Dead sea | Male | French |
| Murray | Man of the sea | Male | Gaelic |
| Nana | Grace | Unisex | Hebrew |
| Napoleon | Sons of the mist, a race of dwarves | Male | Germanic |
| Neal | Champion | Male | Gaelic |
| Ned | Wealth protector | Unisex | English |
| Neil | Champion | Male | Gaelic |
| Nelson | Son of Neal | Male | English |
| Neo | New | Male | English |
| Neville | New town | Male | French |
| Newton | New settlement, new enclosure | Male | English |
| Nicholas | Victory of the people | Male | Greek |
| Nicolas | Victory of the people | Male | Greek |
| Nigel | Champion From The Irish And Scottish Niall. | Male | Gaelic |
| Niles | People's Victory | Male | Gaelic |
| Noah | Rest | Male | Hebrew |