| Name | Meaning | Gender | Origin | 
|---|
| Macha | Plain | Female | English | 
| Madeleine | From Magdala | Female | Hebrew | 
| Mallorie | Luckless | Female | French | 
| Mallory | Luckless | Female | French | 
| Malory | Luckless | Unisex | French | 
| Manon | Bitter | Female | Hebrew | 
| Mara | Bitter | Female | Hebrew | 
| March | Boundary | Unisex | French | 
| Margaux | Pearl | Female | Greek | 
| Marianne | Combination of Marie and Anne | Female | French | 
| Marie | Bitter | Female | Hebrew | 
| Mariette | Uncertain, maybe bitter | Female | Hebrew | 
| Mathilda | Powerful battler | Female | Germanic | 
| Maya | Uncertain, perhaps mother or great one | Female | Greek | 
| Meeko |  | Unisex | Hebrew | 
| Melissa | Honey-bee | Female | Greek | 
| Melodie | Melody | Female | English | 
| Merle | Contracted form of Meriel | Female | English | 
| Mignon | Cute | Female | French | 
| Mimi | Uncertain, maybe bitter | Female | Hebrew | 
| Mina | Will, desire + helmet, protection | Female | Germanic | 
| Mini | Something smaller than others of its type | Unisex | English | 
| Mirabel | Lovely | Female | Latin | 
| Mirabelle | Lovely | Female | Latin | 
| Mirella | Uncertain, possibly admire | Female | French | 
| Mirielle | Uncertain, possibly admire | Female | Latin | 
| Missy | Bee | Female | Greek | 
| Moko |  | Unisex | Hebrew | 
| Mollie | Uncertain, maybe bitter | Female | Hebrew | 
| Momo | Gangster from the movie Get Shorty | Female | English |