| Name | Meaning | Gender | Origin |
|---|
| Matilda | Powerful battler | Female | Germanic |
| Maud | Powerful battler | Female | German |
| Max | Little Maximus | Male | Latin |
| Maxie | Pet form of names starting with Max | Unisex | English |
| Mia | Uncertain, maybe bitter | Female | Hebrew |
| Mickey | Who is like God? | Unisex | Hebrew |
| Millie | Labour | Female | Germanic |
| Milo | Uncertain, perhaps peaceful | Male | Germanic |
| Mimi | Uncertain, maybe bitter | Female | Hebrew |
| Minnie | Will, desire + helmet, protection | Female | Germanic |
| Misty | Misty | Female | English |
| Mollie | Uncertain, maybe bitter | Female | Hebrew |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Monet | Solitary | Unisex | French |
| Moses | Drawn out of the water | Male | Hebrew |
| Muffin | A small cup shaped cake | Unisex | English |
| Munchkin | A very small elflike person. | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |
| Nellie | Abbreviation Of Eleanor Shining Light. | Female | English |
| Nibbler | | Unisex | Hebrew |
| Nicky | Victory of the people | Unisex | Greek |
| Nike | Victory | Female | Greek |
| Nina | Strong | Female | Latin |
| Oliver | Elf army | Male | French |
| Olivia | Elf army | Female | English |
| Oni | Born in a holy place | Female | African |
| Oreo | American cookie brand consisting of two chocolate wafers with white cream filling. | Unisex | English |
| Oscar | Divine spear | Male | English |
| Otis | One who hears well | Male | Greek |
| Otto | Wealth | Male | German |