| Macarena | Woman | Spanish Names |
| Macario | Man | Spanish Names |
| Maceo | Woman | Spanish Names |
| Macias | Unisex | Spanish Names |
| Madelina | Woman | Spanish Names |
| Madera | Woman | Spanish Names |
| Madra | Woman | Spanish Names |
| Madrid | Unisex | Spanish Names |
| Mafalda | Woman | Spanish Names |
| Magana | Unisex | Spanish Names |
| Magdalena | Woman | Spanish Names |
| Magola | Woman | Spanish Names |
| Maisa | Woman | Spanish Names |
| Maita | Woman | Spanish Names |
| Maldonado | Unisex | Spanish Names |
| Manolo | Man | Spanish Names |
| Manuel | Man | Spanish Names |
| Mar | Unisex | Spanish Names |
| Marcela | Woman | Spanish Names |
| Marcelina | Woman | Spanish Names |