| Name | Meaning | Gender | Origin |
|---|
| Lucky | Fortunate | Unisex | English |
| Malcom | Columba's servant | Male | Gaelic |
| Mani | Jewel | Unisex | Sanskrit |
| Marty | From the god Mars | Male | Latin |
| Matt | Gift of God | Male | Hebrew |
| Max | Little Maximus | Male | Latin |
| Maximus | The greatest | Male | Latin |
| Mickey | Who is like God? | Unisex | Hebrew |
| Micro | | Unisex | Hebrew |
| Mighty | | Unisex | Hebrew |
| Miko | Crimson truth | Male | Japanese |
| Mini | Something smaller than others of its type | Unisex | English |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | English |
| Mosquito | | Unisex | Hebrew |
| Moxie | Ability to face difficulty with courage. | Unisex | English |
| Munchkin | A very small elflike person. | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |
| Nash | At the ash tree | Male | English |
| Needles | A small slender instrument used for sewing. | Unisex | English |
| Nibbles | | Unisex | Hebrew |
| Niles | People's Victory | Male | Gaelic |
| Nipper | A small boy | Unisex | English |
| Nugget | As in Chicken | Unisex | English |
| Oliver | Elf army | Male | French |
| Oscar | Divine spear | Male | English |
| Paco | From France | Male | Latin |
| Panda | A bear like Chinese mammal, with distinct black and white markings | Unisex | English |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Phoenix | Phoenix | Male | Greek |
| Pickles | Food flavored in a solution of vinegar | Unisex | English |