| Name | Meaning | Gender | Origin |
|---|
| Muffin | A small cup shaped cake | Unisex | English |
| Munchkin | A very small elflike person. | Unisex | English |
| Mystic | | Unisex | Hebrew |
| Nipper | A small boy | Unisex | English |
| Noodle | A narrow ribbon-like strip of dough | Unisex | English |
| Patches | | Unisex | Hebrew |
| Pax | Peace | Unisex | Latin |
| Peaches | Red, yellow skinned fleshy fruit | Unisex | English |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pip | Lover of horses | Unisex | Greek |
| Pipsqueak | | Unisex | Hebrew |
| Pluto | Wealth, riches | Unisex | Greek |
| Pocket | | Unisex | Hebrew |
| Poco | Little. | Unisex | English |
| Pokey | | Unisex | Hebrew |
| Poppet | | Unisex | Hebrew |
| Porsche | Pig | Unisex | Latin |
| Puddles | | Unisex | Hebrew |
| Pumpkin | Large round fruit with orange skin | Unisex | English |
| Queen | Female ruler | Unisex | English |
| Rascal | One that is playfully mischievous | Unisex | English |
| Reagan | Descendent of Riagán | Unisex | Gaelic |
| Reggie | Ruler with counsel | Unisex | Germanic |
| Reilly | Courageous, valiant | Unisex | Gaelic |
| Remi | Abbreviation Of Remington. | Unisex | English |
| Reno | Ruler with counsel | Unisex | Germanic |
| River | River | Unisex | English |
| Rogue | | Unisex | Hebrew |
| Romy | Sea dew | Unisex | Latin |
| Rosco | Roe deer wood | Unisex | Norse |