| Name | Meaning | Gender | Origin |
|---|
| Mani | Jewel | Unisex | Sanskrit |
| Mara | Bitter | Female | Hebrew |
| Mardi | Born On Tuesday | Female | French |
| Marlin | A Form Of Merle. | Unisex | English |
| Mate | Gift From God | Unisex | English |
| Matilda | Powerful battler | Female | Germanic |
| Megan | Pearl | Female | Greek |
| Mel | Uncertain, possibly bad town | Unisex | English |
| Melania | Black | Female | Greek |
| Melody | Melody | Female | Greek |
| Merry | Compassion | Female | English |
| Mickey | Who is like God? | Unisex | Hebrew |
| Miki | Beautiful story | Female | Japanese |
| Mimi | Uncertain, maybe bitter | Female | Hebrew |
| Mint | After the herb | Unisex | English |
| Missy | Bee | Female | Greek |
| Misty | Misty | Female | English |
| Mollie | Uncertain, maybe bitter | Female | Hebrew |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Moon | Letters | Female | Korean |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | English |
| Naomi | Beautiful, pleasant, delightful | Female | Hebrew |
| Ned | Wealth protector | Unisex | English |
| Nell | Abbreviation Of Eleanor Shining Light. | Female | English |
| Nelly | Abbreviation Of Eleanor Shining Light. | Female | English |
| Nepolean | | Unisex | Hebrew |
| Nessa | From The Headland | Female | English |
| Niall | Champion | Unisex | Gaelic |
| Nicola | Victory of the people | Female | Greek |
| Nikki | Victory of the people | Female | Greek |