| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Mateu | - | Catalan | ||
| MercÈ | - | Catalan | ||
| Meritxell | mu-ree-CHEL | Catalan | ||
| Miquel | - | Catalan | ||
| Mireia | mee-RE-yə (Catalan) | Catalan, Spanish | ||
| Monserrat | moon-sə-RAHT | Catalan | ||
| Montse | - | Catalan | ||
| Montserrat | moon-sə-RAHT | Catalan | ||
| NÚRia | - | Catalan, Portuguese | ||
| NarcÍS | - | Catalan | ||
| Neus | - | Catalan | ||
| Nicolau | nee-koo-LOW (Portuguese) | Portuguese, Galician, Catalan | ||
| Ona (2) | - | Catalan | ||
| Oriol | - | Catalan | ||
| Pau | - | Catalan, Occitan |