| Name | Meaning | Gender | Origin |
|---|
| Mercy | Compassion | Female | English |
| Mia | Uncertain, maybe bitter | Female | Hebrew |
| Mickey | Who is like God? | Unisex | Hebrew |
| Miki | Beautiful story | Female | Japanese |
| Milky | | Unisex | Hebrew |
| Mini | Something smaller than others of its type | Unisex | English |
| Mirabelle | Lovely | Female | Latin |
| Missy | Bee | Female | Greek |
| Misty | Misty | Female | English |
| Mo | Moor | Unisex | Latin |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | English |
| Muffin | A small cup shaped cake | Unisex | English |
| Nadia | Hope | Female | Russian |
| Nanook | Polar bear | Unisex | Native American |
| Neptune | God of the sea | Unisex | Latin |
| Nikki | Victory of the people | Female | Greek |
| Nilla | Glorious | Unisex | English |
| Pax | Peace | Unisex | Latin |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pearl | Pearl | Female | English |
| Penny | Weaver | Female | Greek |
| Pepper | Pepper | Female | English |
| Phoebe | Bright | Female | Greek |
| Pluto | Wealth, riches | Unisex | Greek |
| Powder | Substance of fine particles. Light, dry snow. | Unisex | English |
| Princess | Royal son | Female | English |
| Queenie | Female ruler | Female | English |
| Rain | Rain | Female | English |
| Rascal | One that is playfully mischievous | Unisex | English |