| Name | Meaning | Gender | Origin |
|---|
| Luna Lovegood | Ravenclaw student.
| Female | |
| Macala | A diffrent way of spelling makayla
| Female | |
| Madam Marsh | Got sick on the Knight Bus.
| Female | |
| Madame Adelaide Bonfamille | From the AristoCats
| Female | |
| Madelene | From the tower
| Female | |
| Madonna | my lady | Female | Latin |
| Mai | brightness; coyote | Female | Japanese |
| Mairia | Bitter
| Female | |
| Maisie | child of light | Female | Scottish |
| Maitilda | Strong battle maiden
| Female | |
| Malaika | Angel
| Female | |
| Mallory | army counseler, without good fortune | Female | |
| Malvina | Smooth Brow | Female | Celtic |
| Marge Dursley | Sister of Vernon Dursley.
| Female | |
| Marley | From the lake in the meadow | Female | English |
| Marley | From the lake in the meadow | Female | English |
| Matilda | battle-mighty | Female | |
| Mellow | | Unisex | Hebrew |
| Mercedes | Compassionate, merciful. | Female | Spanish |
| Merry | Mirthful: joyous. Also an abbreviation of Meredith.
| Female | English |
| Midas | | Unisex | Hebrew |
| Midget | A small or miniature version | Unisex | |
| Mika | Abbreviation of Michaela:Micaela: Mikaela: Mikayla: Mychaela: Mikella. Feminine of Michael gift from God.
| Female | Japanese |
| Milagritos | Miracle
| Female | |
| Milagrosa | Miracle
| Female | |