| Name | Meaning | Gender | Origin |
|---|
| Lupe | Valley of the wolves | Female | Spanish |
| Mabel | Lovable | Female | French |
| Magena | The moon will come | Female | Native American |
| Magna | Thinking | Female | Indian |
| Malice | | Unisex | Hebrew |
| Mallory | Luckless | Female | French |
| Mara | Bitter | Female | Hebrew |
| Margaret | Pearl | Female | Greek |
| Marianne | Combination of Marie and Anne | Female | French |
| Mary | Bitter | Female | Hebrew |
| Matilda | Powerful battler | Female | Germanic |
| Maud | Powerful battler | Female | German |
| Maya | Uncertain, perhaps mother or great one | Female | Greek |
| Medusa | Cunning | Unisex | English |
| Melania | Black | Female | Greek |
| Melanie | Black | Female | Greek |
| Melantha | Dark flower | Female | Greek |
| Mercy | Compassion | Female | English |
| Meredith | Great lord | Female | Welsh |
| Merle | Contracted form of Meriel | Female | English |
| Midnight | Intense darkness, the middle of the night | Unisex | English |
| Millicent | Strong work | Female | Germanic |
| Minerva | Mind | Female | Latin |
| Mist | | Unisex | Hebrew |
| Misty | Misty | Female | English |
| Miyuki | Silent snow | Unisex | Japanese |
| Moon | Letters | Female | Korean |
| Moonlight | | Unisex | Hebrew |
| Morgan | Uncertain, perhaps bright sea | Female | Welsh |
| Morgana | Uncertain, perhaps bright sea | Female | Welsh |