| Name | Meaning | Gender | Origin |
|---|
| Margarita | Cocktail made with tequila and lemon or lime juice. | Female | Spanish |
| Maria | bitter | Female | Latin |
| Marietta | Bitter | Female | Italian |
| Mario | bitter, king-ruler | Male | Italian |
| Mariposa | Spanish for butterfly | Female | Spanish |
| Marta | Lady Of The House | Female | Italian |
| Martin | Warlike person. | Male | Latin |
| Martina | Warlike | Female | Latin |
| Maurice | moorish; dark; moor land | Male | Latin |
| Maya | Abbreviation of Amalia: variant of Maia.
| Female | Hebrew |
| Melosia | Sweet
| Female | |
| Mendi | Reference to the Virgin Mary
| Female | |
| Mercedes | Compassionate, merciful. | Female | Spanish |
| Mercy | compassion, pity | Female | English |
| Miguel | Spanish form of Michael God like
| Male | Spanish |
| Milagritos | Miracle
| Female | |
| Milagros | Spanish for miracles | Female | Spanish |
| Milagrosa | Miracle
| Female | |
| Mimi | Form of Williamina
| Female | English |
| Mimi | Form of Williamina
| Female | English |
| Mini | Something smaller than others of its type | Unisex | |
| Mini | Something smaller than others of its type | Unisex | |
| Mira | admirable | Female | Latin |
| Mirabel | wonderful | Female | Latin |
| Mirabelle | marvelousl | Female | |