| Name | Meaning | Gender | Origin |
|---|
| Maestoso | musical term meaning with majesty | Unisex | |
| Maestro | | Male | |
| Maggie Mae | | Unisex | |
| Magnificat | Variation on magnificent - Splendid in appearance. | Male | |
| Major | Army or Air Force rank above Captain but below Lieutenant Colonel | Male | Latin |
| Mambo | A Latin dance resembling the rumba. | Unisex | |
| Mario | bitter, king-ruler | Male | Italian |
| Mars | God Of War | Male | Latin |
| Martin | Warlike person. | Male | Latin |
| Marvin | beautiful sea; good friend | Male | Welsh |
| Mason | Worker in stone. | Male | English |
| Mavra | Moorish | Unisex | Latin |
| McCoy | | Male | Hebrew |
| McGraw | after the american country music singer Tim McGraw | Unisex | |
| Melodie | Song, Melody | Unisex | Greek |
| Memphis | City Of Moph | Male | Hebrew |
| Mercury | Trade God | Male | Latin |
| Merle | Bright Sea | Male | English |
| Mezzo | | Unisex | |
| Mick | Hebrew, who is like God? | Male | English |
| Miguel | Spanish form of Michael God like
| Male | Spanish |
| Miles | of smiles | Male | Latin |
| Minor | | Unisex | Hebrew |
| Minstrel | | Unisex | Hebrew |
| Moe | delivered | Male | English |