| Name | Meaning | Gender | Origin |
|---|
| Maximus | greatest | Male | Latin |
| Maxwell | Capable
| Male | Scottish |
| McKenzie | Handsome, Fiery | Unisex | English |
| Mel | Scottish, settlement on infertile land | Male | English |
| Melvin | Chief
| Male | English |
| Mercury | Trade God | Male | Latin |
| Merlin | Character on Chocolate Frog card.
| Male | Welsh |
| Mervyn | Famous Friend | Male | English |
| Meyer | a farmer | Male | Hebrew |
| Mia | Mine | Female | Scandinavian |
| Michael | who is like God | Male | Hebrew |
| Michel | Who Is Like God | Male | French |
| Michelle | Feminine of Michael | Female | |
| Mick | Hebrew, who is like God? | Male | English |
| Mickey | Abbreviation of Michael and Micah Who is like God?
| Male | English |
| Mika | Abbreviation of Michaela:Micaela: Mikaela: Mikayla: Mychaela: Mikella. Feminine of Michael gift from God.
| Female | Japanese |
| Mike | Hebrew, who is like God? | Male | English |
| Mikhail | Who Is Like God | Male | Russian |
| Milan | Union, Combine, Joining
| Female | Place-name |
| Ming | shining bright | Male | Chinese |
| Misty | misty.
| Female | English |
| Misty | misty.
| Female | English |
| Mo | bitter | Female | English |
| Moises | Spanish form of Moses from the water
| Male | |
| Monica | advisor | Female | Latin |