| Name | Meaning | Gender | Origin |
|---|
| Megan | mighty, strong able, pearl | Female | English |
| Melania | black | Female | Spanish |
| Melanie | Dark.
| Female | Greek |
| Melinda | Blend of Melissa and Linda.
| Female | English |
| Melody | song | Female | Greek |
| Mercedes | Compassionate, merciful. | Female | Spanish |
| Meredith | great ruler | Female | Welsh |
| Merideth | Sea Lord | Unisex | English |
| Merissa | Of The Sea | Unisex | Latin |
| Merlyn | Sea Fortress | Unisex | English |
| Merry | Mirthful: joyous. Also an abbreviation of Meredith.
| Female | English |
| Meta | Ambitious | Unisex | Latin |
| Mica | Humble | Unisex | Hebrew |
| Mieko | Already Prosperous | Female | Japanese |
| Mignon | dainty, petite | Female | |
| Mika | Abbreviation of Michaela:Micaela: Mikaela: Mikayla: Mychaela: Mikella. Feminine of Michael gift from God.
| Female | Japanese |
| Mikaela | Who Is Like G-D | Unisex | Hebrew |
| Miki | beautiful tree | Female | Japanese |
| Mila | Dear One | Female | Russian |
| Millicent | after the character in D.C. Simpson's online comic Ozy and Millie | Female | |
| Milly | Highborn Power | Unisex | English |
| Milly | Highborn Power | Unisex | English |
| Mima | | Unisex | Hebrew |
| Minda | Knowledge | Unisex | Native American |
| Minnie | Form of Williamina
| Female | English |