| Name | Meaning | Gender | Origin |
|---|
| Maritza | Bitter | Female | Hebrew |
| Marius | From the god Mars | Male | Latin |
| Mark | From the god Mars | Male | Latin |
| Marlene | Of Magdala | Female | Hebrew |
| Marlon | Little Falcon | Male | English |
| Marquis | Lord of the marches | Male | French |
| Marshall | Horse servant | Male | Germanic |
| Marta | Lady | Female | Aramaic |
| Martin | From the god Mars | Male | Latin |
| Martina | From the god Mars | Female | Latin |
| Marvin | Uncertain, possibly eminent marrow | Male | Welsh |
| Mary | Bitter | Female | Hebrew |
| Massimo | The greatest | Male | Latin |
| Mathew | Gift of God | Male | Hebrew |
| Matt | Gift of God | Male | Hebrew |
| Mauricio | Moor | Male | Latin |
| Maverick | Dissenter | Unisex | English |
| Max | Little Maximus | Male | Latin |
| Maxi | Pet form of names starting with Max | Unisex | English |
| Maxime | The greatest | Female | Latin |
| Maximilian | Little Maximus | Male | Latin |
| Maximus | The greatest | Male | Latin |
| Maxwell | Maccus's stream | Male | English |
| Mayes | Soft section | Unisex | Arabic |
| Mckenzie | Son of Coinneach | Female | Gaelic |
| Meghan | Pearl | Female | Greek |
| Mel | Uncertain, possibly bad town | Unisex | English |
| Melvin | Uncertain, possibly bad town | Male | English |
| Merlin | Sea fort | Male | Welsh |
| Mervyn | Uncertain, possibly eminent marrow | Male | Welsh |