| Name | Meaning | Gender | Origin |
|---|
| Malika | Angel
| Female | Arabic |
| Mama | Informal for mother. | Unisex | |
| Mandy | Harmony | Female | English |
| Mango | after the character in Saturday Night Live | Unisex | |
| Manhattan | Whiskey | Unisex | |
| Manny | God Is With Us | Male | English |
| Manson | | Unisex | Hebrew |
| Marcy | From Marcella - Belonging to Mars. | Female | English |
| Margarita | Cocktail made with tequila and lemon or lime juice. | Female | Spanish |
| Marley | From the lake in the meadow | Female | English |
| Marley | From the lake in the meadow | Female | English |
| Marlo | Bitter | Female | American |
| Marshall | Man who looks after a nobleman's estate, keeper of the horses; steward | Male | |
| Marshmellow | | Unisex | |
| Maui | | Unisex | |
| Maverick | One that dissents from the group. | Male | American |
| Maximus | greatest | Male | Latin |
| May | bitter | Female | English |
| Meadow | Meadow | Female | English |
| Meg | Pearl | Female | English |
| Melanie | Dark.
| Female | Greek |
| Memphis | City Of Moph | Male | Hebrew |
| Meow | | Unisex | |
| Mercedes | Compassionate, merciful. | Female | Spanish |
| Mercy | compassion, pity | Female | English |