| Name | Meaning | Gender | Origin |
|---|
| Montana | Mountain. | Male | Spanish |
| Monte | Powerful Mountain | Male | English |
| Moonbeam | | Unisex | |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | |
| Moses | saved; child; taken from water | Male | Egyptian |
| Mousse | | Unisex | |
| Muddy | | Unisex | |
| New Moon | | Unisex | |
| Night | | Male | |
| Nutella | | Unisex | |
| Nutmeg | | Male | |
| Ollie | Latin, olive tree | Male | English |
| Onyx | A gemstone with bands of different colours. | Male | |
| Orion | Son of Fire
| Male | Greek |
| Panther | A black leopard | Male | |
| Pardo | | Unisex | Hebrew |
| Pepper | A spice or condiment. | Male | Sanskrit |
| Pepsi | Brand of cola soft drink. | Male | |
| Phantom | Something elusive. A ghost | Unisex | |
| Pokey | | Male | Hebrew |
| Puff | Expelling breath, a gust of wind or a small amount of smoke. | Male | |
| Puff | Expelling breath, a gust of wind or a small amount of smoke. | Male | |
| Purdy | Variation on pretty. | Unisex | |
| Remington | from the raven's home | Male | English |
| Rex | after the Rex Banner character in The Simpsons cartoons | Male | Latin |