| Name | Meaning | Gender | Origin |
|---|
| Luna | moon | Female | Latin |
| Lydia | woman from Persia, beauty | Female | Greek |
| Mabel | my fair maid; lovely | Female | English |
| Madeline | woman from Magdala, one who is elevated, a high tower | Female | English |
| Madison | son of a mighty warrior; son of Maud | Female | English |
| Mae | bitter | Female | English |
| Maeve | goddess; a purple flower | Female | Irish |
| Maggie | Abbreviation of Margaret. A pearl.
| Female | English |
| Maisie | child of light | Female | Scottish |
| Margaret | after Margaret Thatcher | Female | Greek |
| Marley | From the lake in the meadow | Female | English |
| Marley | From the lake in the meadow | Female | English |
| Matilda | battle-mighty | Female | |
| Maya | Abbreviation of Amalia: variant of Maia.
| Female | Hebrew |
| Mia | Mine | Female | Scandinavian |
| Mila | Dear One | Female | Russian |
| Milan | Union, Combine, Joining
| Female | Place-name |
| Mimi | Form of Williamina
| Female | English |
| Mimi | Form of Williamina
| Female | English |
| Minerva | after the Roman goddess of the hunt | Female | Latin |
| Minnie | Form of Williamina
| Female | English |
| Missy | Informal term for young woman | Female | English |
| Misty | misty.
| Female | English |
| Misty | misty.
| Female | English |
| Mittens | | Unisex | |