| Name | Meaning | Gender | Origin |
|---|
| Marta | Lady | Female | Aramaic |
| Marvel | Miracle | Unisex | English |
| Mason | Bricklayer | Male | French |
| Matilda | Powerful battler | Female | Germanic |
| Maude | Powerful battler | Female | German |
| Max | Little Maximus | Male | Latin |
| Maxi | Pet form of names starting with Max | Unisex | English |
| Maximillion | | Unisex | Hebrew |
| Maximus | The greatest | Male | Latin |
| Maxwell | Maccus's stream | Male | English |
| Maxx | Greatest | Unisex | English |
| Maya | Uncertain, perhaps mother or great one | Female | Greek |
| Meka | Eyes | Male | English |
| Melia | Rival | Female | Latin |
| Melina | Honey | Female | Greek |
| Melody | Melody | Female | Greek |
| Mercedes | Mercies | Female | Spanish |
| Mia | Uncertain, maybe bitter | Female | Hebrew |
| Mickey | Who is like God? | Unisex | Hebrew |
| Midnight | Intense darkness, the middle of the night | Unisex | English |
| Mighty | | Unisex | Hebrew |
| Miles | Uncertain, perhaps peaceful | Male | Germanic |
| Milo | Uncertain, perhaps peaceful | Male | Germanic |
| Mina | Will, desire + helmet, protection | Female | Germanic |
| Mini | Something smaller than others of its type | Unisex | English |
| Minnie | Will, desire + helmet, protection | Female | Germanic |
| Miranda | She who must be admired | Female | Latin |
| Missy | Bee | Female | Greek |
| Misty | Misty | Female | English |
| Mitzi | Uncertain, maybe bitter | Unisex | Hebrew |