| Name | Meaning | Gender | Origin |
|---|
| 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 |
| Muffin | A small cup shaped cake | Unisex | English |
| Munchkin | A very small elflike person. | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |
| Mylo | Uncertain, perhaps peaceful | Unisex | Germanic |
| Nalin | Lotus Flower | Unisex | Hindu |
| Naresh | Lord of mankind | Male | Sanskrit |
| Nash | At the ash tree | Male | English |
| Neo | New | Male | English |
| Nipper | A small boy | Unisex | English |
| Obie | O.B. | Unisex | English |
| Oliver | Elf army | Male | French |
| Oreo | American cookie brand consisting of two chocolate wafers with white cream filling. | Unisex | English |
| Oscar | Divine spear | Male | English |
| Otis | One who hears well | Male | Greek |
| Otto | Wealth | Male | German |
| Panda | A bear like Chinese mammal, with distinct black and white markings | Unisex | English |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pierce | Stone | Male | Greek |
| Pip | Lover of horses | Unisex | Greek |
| Pipsqueak | | Unisex | Hebrew |
| Pluto | Wealth, riches | Unisex | Greek |
| Poco | Little. | Unisex | English |
| Polo | Brave wanderer | Male | English |
| Puddles | | Unisex | Hebrew |
| Pumpkin | Large round fruit with orange skin | Unisex | English |
| Puppy | | Unisex | Hebrew |
| Raider | | Unisex | Hebrew |