| 544. Malcolm Jamal Warner | Vocals | 1 |
| 544. Malcolm Parson | Cello | 1 |
| 544. Malice | Vocals | 1 |
| 544. Malik Johnson (Cello) | Musician | 1 |
| 544. Malik Spence | Background Vocals | 1 |
| 544. Mallory Valmon | Vocals | 1 |
| 544. Maluma | Featured Artist | 1 |
| 544. Mama's Broke | Featured Artist | 1 |
| 544. Mamii | Vocals | 1 |
| 544. Man" Roberts | Keys | 1 |
| 544. Mana | Keys, Vocals | 1 |
| 544. Mandolin Orange | Featured Artist | 1 |
| 544. Mandy Fer | Electric Guitar, Vocals | 1 |
| 544. Manizeh | Background Vocals | 1 |
| 544. Mannie Fresh | Effects, Keys, Vocals | 1 |
| 544. Manny Barajas | Bass | 1 |
| 544. Manny Laine | Drums | 1 |
| 544. Manoli Avgoustinatos | Charango, Keyboards, Vocals | 1 |
| 544. Manu Delago | Percussion | 1 |
| 544. Manuel Lara | Drums | 1 |
| 544. Manuel MejÃa | Percussion, Vocals | 1 |
| 544. Manuel Perkins | Sousaphone | 1 |
| 544. Manuela López Lambuley | Cello | 1 |
| 544. Mapalo "Mapskeys" Mapalo | Bass | 1 |
| 544. Maple Glider | Guitar, Piano, Vocals | 1 |