| 554. Maureen Dunne | Cello | 1 |
| 554. Maurice "Mobetta" Brown (trumpet) | Musician | 1 |
| 554. Maurice Fitzgerald | Bass | 1 |
| 554. Maurice Smith | Vocals | 1 |
| 554. Mauricio Guerrero, Jr | Guitar | 1 |
| 554. Mauricio RamÃrez Echeverri | Drums | 1 |
| 554. Mauricio Zotarelli | Drums | 1 |
| 554. Mauro Refosco | Music Director, Percussion | 1 |
| 554. Maverick City Music | Featured Artist | 1 |
| 554. Mavis Staples | Featured Artist | 1 |
| 554. Mawuena Kodjovi | Backing Vocals, Bass | 1 |
| 554. Max Abrams | Saxophone | 1 |
| 554. Max Bassin | Drums | 1 |
| 554. Max Bernstein | Guitar | 1 |
| 554. Max Bryk | Flute, Keys, Saxophone | 1 |
| 554. Max Jaffe | Drums | 1 |
| 554. Max Levinson | Piano | 1 |
| 554. Max Luthert | Upright Bass | 1 |
| 554. Max Oleartchik | Bass, Vocals | 1 |
| 554. Max Parsons | Background Vocals | 1 |
| 554. Max Ridley | Bass | 1 |
| 554. Max Whipple | Bass | 1 |
| 554. Maxfield Fisher | Cello | 1 |
| 554. Maxfield Wollam-Fisher | Cello | 1 |
| 554. Maxilmilien Darché | Flugelhorn, Trumpet | 1 |