| Name | Meaning | Gender | Origin |
|---|
| Marcy | From the god Mars | Female | Latin |
| Mare | Uncertain, maybe bitter | Unisex | Hebrew |
| Marek | From the god Mars | Unisex | Latin |
| Margaret | Pearl | Female | Greek |
| Margarita | Pearl | Female | Greek |
| Marguerite | Pearl | Female | Greek |
| Maria | Bitter | Female | Hebrew |
| Marian | Uncertain, maybe bitter | Female | Hebrew |
| Marianna | Combination of Maria and Anna | Female | Latin |
| Marie | Bitter | Female | Hebrew |
| Marin | From the god Mars | Unisex | Latin |
| Marion | Uncertain, maybe bitter | Female | Hebrew |
| Mary | Bitter | Female | Hebrew |
| Mathilda | Powerful battler | Female | Germanic |
| Mathilde | Powerful battler | Female | German |
| Maui | God of fire | Unisex | Hawaiian |
| Maura | Moor | Female | Latin |
| May | The fifth month of the year | Female | English |
| Maya | Uncertain, perhaps mother or great one | Female | Greek |
| Mel | Uncertain, possibly bad town | Unisex | English |
| Melanie | Black | Female | Greek |
| Melinda | Blending of 'mel' and 'inda' | Female | English |
| Meredith | Great lord | Female | Welsh |
| Michele | Who is like God? | Female | Hebrew |
| Miki | Beautiful story | Female | Japanese |
| Mills | Mills | Unisex | English |
| Mily | Beautiful | Female | Hawaiian |
| Miriam | Uncertain, maybe bitter | Female | Hebrew |
| Modesta | Modest | Female | English |
| Moreno | | Unisex | Hebrew |