| Name | Meaning | Gender | Origin |
|---|
| Max | Little Maximus | Male | Latin |
| Maxwell | Maccus's stream | Male | English |
| Maxy | Little Maximus | Unisex | Latin |
| Mikey | Who is like God? | Unisex | Hebrew |
| Monte | Gomeric's hill | Male | French |
| Munchkin | A very small elflike person. | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |
| Nigel | Champion From The Irish And Scottish Niall. | Male | Gaelic |
| Nipper | A small boy | Unisex | English |
| Oliver | Elf army | Male | French |
| Oscar | Divine spear | Male | English |
| Ovid | Sheep | Male | Latin |
| Paws | | Unisex | Hebrew |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pip | Lover of horses | Unisex | Greek |
| Pipsqueak | | Unisex | Hebrew |
| Poco | Little. | Unisex | English |
| Pretzel | Glazed, salted and brittle biscuit in the form of a knot or stick. | Unisex | English |
| Puddles | | Unisex | Hebrew |
| Pumpkin | Large round fruit with orange skin | Unisex | English |
| Ramsey | Wild garlic island | Male | English |
| Randy | Shield rim | Male | Germanic |
| Rascal | One that is playfully mischievous | Unisex | English |
| Riley | Rye clearing | Male | English |
| Rocky | Battle cry | Male | Germanic |
| Rod | Renown island | Male | English |
| Romy | Sea dew | Unisex | Latin |
| Ronnie | Ruler with counsel | Unisex | Norse |
| Rufus | Red | Male | Latin |
| Rusty | Rusty, full of rust | Unisex | American English |