| Name | Meaning | Gender | Origin |
|---|
| Mandel | Almond | Unisex | German |
| Marc | From the god Mars | Male | Latin |
| Marcel | Little Marcus | Male | Latin |
| Marcello | Little Marcus | Male | Latin |
| Marcellus | Little Marcus | Male | Latin |
| Mare | Uncertain, maybe bitter | Unisex | Hebrew |
| Marek | From the god Mars | Unisex | Latin |
| Mario | From the god Mars | Male | Latin |
| Marius | From the god Mars | Male | Latin |
| Mark | From the god Mars | Male | Latin |
| Marlon | Little Falcon | Male | English |
| Marnin | Joyful | Unisex | Hebrew |
| Marshall | Horse servant | Male | Germanic |
| Martin | From the god Mars | Male | Latin |
| Marvin | Uncertain, possibly eminent marrow | Male | Welsh |
| Mason | Bricklayer | Male | French |
| Maurizio | Moor | Male | Latin |
| Mauro | Moor | Male | Latin |
| Maverick | Dissenter | Unisex | English |
| Maynard | Mighty and brave | Male | Germanic |
| Melchior | King city | Male | Persian |
| Melvin | Uncertain, possibly bad town | Male | English |
| Meri | Mirthful: Joyous. Also An Abbreviation Of Meredith. | Unisex | English |
| Merlin | Sea fort | Male | Welsh |
| Midnight | Intense darkness, the middle of the night | Unisex | English |
| Mikasi | Coyote | Male | Native American |
| Miles | Uncertain, perhaps peaceful | Male | Germanic |
| Miller | Grinder of grain | Male | English |
| Montana | Mountainous | Unisex | Latin |
| Mordecai | Little man | Male | Hebrew |