| Name | Meaning | Gender | Origin |
|---|
| Limo | | Unisex | Hebrew |
| Lincoln | Lake settlement, lake colony | Male | English |
| Link | Left hand | Unisex | German |
| Linus | Flaxen-Haired | Male | Greek |
| Louie | Fame and war | Male | Germanic |
| Lucky | Fortunate | Unisex | English |
| Luther | People army | Male | Germanic |
| Maddie | Pet form of Mad- names | Unisex | English |
| Major | Greater | Male | Latin |
| Marty | From the god Mars | Male | Latin |
| Max | Little Maximus | Male | Latin |
| Maxie | Pet form of names starting with Max | Unisex | English |
| Maxwell | Maccus's stream | Male | English |
| Mayer | Clever | Male | Hebrew |
| Melvin | Uncertain, possibly bad town | Male | English |
| Mickey | Who is like God? | Unisex | Hebrew |
| Miles | Uncertain, perhaps peaceful | Male | Germanic |
| Mitzi | Uncertain, maybe bitter | Unisex | Hebrew |
| Moony | | Unisex | Hebrew |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | English |
| Moxie | Ability to face difficulty with courage. | Unisex | English |
| Munchkin | A very small elflike person. | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |
| Neville | New town | Male | French |
| Newlyn | From The New Spring | Male | English |
| Nick | Victory of the people | Male | Greek |
| Norman | Thor mind, Thor courage | Male | Gaelic |
| Norris | Northener | Unisex | French |
| Obie | O.B. | Unisex | English |
| Odie | Woad hill | Unisex | English |