| Name | Meaning | Gender | Origin |
| Lady | Lady | Unisex | English |
| Laramie | Surname With American Connotations Due To Laramie: A Town In Wyoming USA On The Overland Trail Of The Pony Express. | Unisex | American English |
| Leonidas | Lion-like | Male | Greek |
| Lester | From Leicester | Male | English |
| Levi | Combined | Male | Hebrew |
| Licorice | Confection made from the licorice root. | Unisex | English |
| Lincoln | Lake settlement, lake colony | Male | English |
| London | From London | Male | English |
| Lucky | Fortunate | Unisex | English |
| Magic | Possessing qualities that produce baffling effects | Unisex | English |
| Magnum | A large type of wine bottle. | Unisex | English |
| Majestic | | Unisex | Hebrew |
| Major | Greater | Male | Latin |
| Mako | Child of truth | Unisex | Japanese |
| Manley | Common clearing | Male | English |
| Marble | | Unisex | Hebrew |
| Marmaduke | Devotee of Maedoc | Male | Gaelic |
| Maverick | Dissenter | Unisex | English |
| Max | Little Maximus | Male | Latin |
| Maxi | Pet form of names starting with Max | Unisex | English |
| Maxim | The greatest | Male | Latin |
| Maximus | The greatest | Male | Latin |
| Maxwell | Maccus's stream | Male | English |
| Maynard | Mighty and brave | Male | Germanic |
| Medusa | Cunning | Unisex | English |
| Mickey | Who is like God? | Unisex | Hebrew |
| Monster | A creature of frightening appearance | 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 |