| Name | Meaning | Gender | Origin |
|---|
| Kujo | | Unisex | Hebrew |
| Laramie | Surname With American Connotations Due To Laramie: A Town In Wyoming USA On The Overland Trail Of The Pony Express. | Unisex | American English |
| Leon | Lion | Male | Latin |
| Leonardo | Strong as the lion | Male | Germanic |
| Leonidas | Lion-like | Male | Greek |
| Lincoln | Lake settlement, lake colony | Male | English |
| Lisandro | Freeing a man | Male | Greek |
| Lobo | Wolf | Male | Spanish |
| Lorenzo | Man from Laurentum | Male | Latin |
| Luis | Fame and war | Male | Germanic |
| Mac | Son of | Male | Gaelic |
| Magnum | A large type of wine bottle. | Unisex | English |
| Major | Greater | Male | Latin |
| Mako | Child of truth | Unisex | Japanese |
| Mama | Saturday born | Unisex | African |
| Manco | Foundation | Male | Native American |
| Marco | From the god Mars | Male | Latin |
| Marcos | From the god Mars | Male | Latin |
| Mario | From the god Mars | Male | Latin |
| Marmaduke | Devotee of Maedoc | Male | Gaelic |
| Marques | Lord of the marches | Male | Spanish |
| Marquez | Respelling of Marquis | Male | English |
| Maverick | Dissenter | Unisex | English |
| Maxim | The greatest | Male | Latin |
| Maximus | The greatest | Male | Latin |
| Maynard | Mighty and brave | Male | Germanic |
| Medusa | Cunning | Unisex | English |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | English |
| Mufasa | From The Lion King | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |