| Mabel |
| Magnus |
| Mahabali Shera |
| Manik |
| Mankind |
| Marcel Barthel |
| Marcus Cor Von |
| Mark Briscoe |
| Mark Henry |
| Mark Jindrak |
| Marshe Rockett |
| Marty Jannetty |
| Marty Scurll |
| Matt Bloom |
| Matt Bentley |
| Matt Hardy |
| Matt Jackson |
| Matt Morgan |
| Matt Riddle |
| Matt Striker |
| Matt Sydal |
| Matt Taven |
| Maven |
| Maxwell Jacob Friedman |
| Michael Bennett |
| Michael Elgin |
| Michael McGillicutty |
| Michael Shane |
| Michael Tarver |
| Mick Foley |
| Mideon |
| Mike Awesome |
| Mike Kanellis |
| Mike Mondo |
| Mikey |
| Mikey Whipwreck |
| Miro |
| The Miz |
| Mojo Rawley |
| Montel Vontavious Porter |
| Montez Ford |
| Monty Brown |
| Moose |
| Mordecai |
| Mr. Anderson |
| Mr. Kennedy |
| Muhammad Hassan |
| Murphy |
| Mustafa Ali |