| Name | Meaning | Gender | Origin |
|---|
| Marie | Bitter | Female | Hebrew |
| Mariko | Child of true reason | Female | Japanese |
| Marina | From the god Mars | Female | Latin |
| Marlene | Of Magdala | Female | Hebrew |
| Maro | Bitter | Unisex | Hebrew |
| Marvin | Uncertain, possibly eminent marrow | Male | Welsh |
| Masako | Proper child | Female | Japanese |
| Mason | Bricklayer | Male | French |
| Matt | Gift of God | Male | Hebrew |
| Maverick | Dissenter | Unisex | English |
| Max | Little Maximus | Male | Latin |
| Meg | Pearl | Female | Greek |
| Mei | The youngest of sisters | Female | Chinese |
| Melinda | Blending of 'mel' and 'inda' | Female | English |
| Michi | Route | Female | Japanese |
| Michiko | Beautiful wise child | Female | Japanese |
| Mickey | Who is like God? | Unisex | Hebrew |
| Midori | Green | Female | Japanese |
| Mieko | Child blessed with beauty | Female | Japanese |
| Mika | Beautiful smell | Female | Japanese |
| Miki | Beautiful story | Female | Japanese |
| Millie | Labour | Female | Germanic |
| Mina | Will, desire + helmet, protection | Female | Germanic |
| Minako | Child of the beautiful Nara | Female | Japanese |
| Mio | Beautiful cherry | Male | Japanese |
| Misa | Beautiful sand | Unisex | Japanese |
| Missy | Bee | Female | Greek |
| Misty | Misty | Female | English |
| Mitsu | Bear | Unisex | Native American |
| Mitsuko | Child of the light | Female | Japanese |