| Name | Meaning | Gender | Origin |
|---|
| Maximilian | Little Maximus | Male | Latin |
| Maximus | The greatest | Male | Latin |
| Mick | Who is like God? | Male | Hebrew |
| Mini | Something smaller than others of its type | Unisex | English |
| Misa | Beautiful sand | Unisex | Japanese |
| Monet | Solitary | Unisex | French |
| Moxie | Ability to face difficulty with courage. | Unisex | English |
| Muffin | A small cup shaped cake | Unisex | English |
| Munchkin | A very small elflike person. | Unisex | English |
| Napoleon | Sons of the mist, a race of dwarves | Male | Germanic |
| Nash | At the ash tree | Male | English |
| Neutron | | Unisex | Hebrew |
| Nibbles | | Unisex | Hebrew |
| Niles | People's Victory | Male | Gaelic |
| Nugget | As in Chicken | Unisex | English |
| Nutmeg | | Unisex | Hebrew |
| Odie | Woad hill | Unisex | English |
| Odon | Prosperous protection | Male | English |
| Patrick | Patrician | Male | Latin |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Petey | Stone | Unisex | Greek |
| Piccolo | | Unisex | Hebrew |
| Pico | | Unisex | Hebrew |
| Pierre | Stone | Male | Greek |
| Pippin | Foreigner, stranger | Unisex | Latin |
| Pipsqueak | | Unisex | Hebrew |
| Pixel | | Unisex | Hebrew |
| Pluto | Wealth, riches | Unisex | Greek |
| Polo | Brave wanderer | Male | English |
| Popcorn | Corn that when heated forms white edible puffs. | Unisex | English |