| Name | Meaning | Gender | Origin |
| Maverick | Dissenter | Unisex | English |
| Maya | Uncertain, perhaps mother or great one | Female | Greek |
| Meg | Pearl | Female | Greek |
| Mickey | Who is like God? | Unisex | Hebrew |
| Mindy | Pet form of Melinda | Female | English |
| Minnie | Will, desire + helmet, protection | Female | Germanic |
| Missy | Bee | Female | Greek |
| Misty | Misty | Female | English |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Morgan | Uncertain, perhaps bright sea | Female | Welsh |
| Munchkin | A very small elflike person. | Unisex | English |
| Nerissa | Sea sprite | Female | Greek |
| Nicky | Victory of the people | Unisex | Greek |
| Nipper | A small boy | Unisex | English |
| Olive | Olive | Female | English |
| Oriana | Dawn, gold | Female | Latin |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Penny | Weaver | Female | Greek |
| Pepe | He will enlarge | Unisex | Hebrew |
| Pepper | Pepper | Female | English |
| Petal | A section of a flower | Unisex | English |
| Petunia | Type of flower | Female | English |
| Pip | Lover of horses | Unisex | Greek |
| Pippa | Lover of horses | Female | Greek |
| Pipsqueak | | Unisex | Hebrew |
| Pixie | A fairy like creature. Playful and mischievous | Female | English |
| Poco | Little. | Unisex | English |
| Princess | Royal son | Female | English |
| Priscilla | Ancient | Female | Latin |
| Puddles | | Unisex | Hebrew |