| Name | Meaning | Gender | Origin |
|---|
| Maggie | Pearl | Female | Greek |
| Maleah | Uncertain, maybe bitter | Female | Hebrew |
| Manjusha | A Box Of Jewels | Female | Hindu |
| Mannix | Little monk | Male | Gaelic |
| Marlon | Little Falcon | Male | English |
| Maslin | Little Thomas | Male | English |
| Mercedes | Mercies | Female | Spanish |
| Micro | | Unisex | Hebrew |
| Miette | Small Sweet Thing | Female | French |
| Miki | Beautiful story | Female | Japanese |
| Milo | Uncertain, perhaps peaceful | Male | Germanic |
| Mimi | Uncertain, maybe bitter | Female | Hebrew |
| Mini | Something smaller than others of its type | Unisex | English |
| Minnie | Will, desire + helmet, protection | Female | Germanic |
| Missy | Bee | Female | Greek |
| Misty | Misty | Female | English |
| Mona | Little noble one | Female | Gaelic |
| Mora | Peacock | Female | Sanskrit |
| Morsel | | Unisex | Hebrew |
| Mosquito | | Unisex | Hebrew |
| 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 |
| Nadia | Hope | Female | Russian |
| Nash | At the ash tree | Male | English |
| Nelly | Abbreviation Of Eleanor Shining Light. | Female | English |
| Nemo | No one | Male | Latin |
| Nevan | Sacred | Male | Gaelic |
| Nibbles | | Unisex | Hebrew |
| Nikki | Victory of the people | Female | Greek |