 Milly Osworth | — | — |
| Milo | — | — |
 Milton SheafLibrarian | Humanoid | — |
| Mine Spider | — | — |
 Miner Grothor | Humanoid | — |
 Miner Grumnal | Humanoid | — |
| Miner Hackett | Humanoid | — |
| Minion of Morganth | — | — |
 Minor Ice Elemental | Elemental | — |
| Minzi the Minx | — | — |
| Mirefin Coastrunner | Humanoid | — |
| Mirefin Muckdweller | Humanoid | — |
| Mirefin Oracle | Humanoid | — |
| Mirefin Warrior | Humanoid | — |
| Mirkfallon Keeper | Humanoid | — |
| Mirvyna JinglepocketSmokywood Pastures | Humanoid | — |
 Misifus | Critter | — |
| Miss Danna | — | — |
| Miss Mojo | — | — |
| Mister Tibbs | — | — |
 Mistina SteelshieldAlliance Cloth Quartermaster | Humanoid | Ironforge |
 Mistmantle Prowler | Humanoid | Duskwood |
| Mithras Ironhill | Humanoid | — |
 Mivin ShadowweaveTailor | Humanoid | Redridge Mountains |
| Mo'grosh Brute | — | — |
| Mo'grosh Enforcer | — | — |
| Mo'grosh Ogre | — | — |
| Mocha | Non-combat Pet | — |
| Modr | Elemental | — |
 Mok'rash | Giant | — |
| Momo | — | — |
 Monstrous Ooze | Unspecified | — |
| MontyRat Extermination Specialist | Humanoid | — |
| Moon Priestess Amara | Humanoid | — |
| Moonglade Warden | — | — |
| Moonrage Armorer | Humanoid | — |
| Moonrage Bloodhowler | Humanoid | — |
| Moonrage Elder | Humanoid | — |
| Moonrage Sentry | Humanoid | — |
| Moonrage Tailor | Humanoid | — |
| Moonrage Watcher | Humanoid | — |
 Moonstalker | Beast | — |
| Moonstalker Matriarch | — | — |
| Moonstalker Runt | Beast | — |
| Moonstalker Sire | Beast | — |
 Mor'Ladim | Undead | Duskwood |
| Mor'zul Bloodbringer | Humanoid | — |
 Morbent Fel | Humanoid | Duskwood |
 Morg GnarltreeArmorer | Humanoid | Duskwood |
 Morgaine the Sly | Humanoid | — |
| Morgan Pestle | — | — |
| Morganth | — | — |
 Morgg Stormshot | Humanoid | Stormwind City |
 Morhan CoppertongueMetalsmith | Humanoid | — |
 Morley EberleinClothier | Humanoid | — |
| Morridune | Humanoid | — |
| Morris Lawry | Humanoid | — |
 Mosh'Ogg Brute | Humanoid | — |
| Mosh'Ogg Witch Doctor | Humanoid | — |
 Mosshide Alpha | Humanoid | — |
| Mosshide Brute | Humanoid | — |
 Mosshide Fenrunner | Humanoid | — |
| Mosshide Gnoll | Humanoid | — |
 Mosshide Mistweaver | Humanoid | — |
| Mosshide Mongrel | — | — |
| Mosshide Mystic | Humanoid | — |
| Mosshide Trapper | Humanoid | — |
| Mosshoof Runner | Beast | — |
 Motley Garmason | Humanoid | — |
| Mottled Raptor | — | Wetlands |
| Mottled Razormaw | — | — |
| Mottled Screecher | — | Wetlands |
 Mottled Scytheclaw | Beast | — |
| Mountain Boar | Beast | — |
| Mountain Buzzard | — | — |
| Mountain Lion | Beast | — |
| Mountain Yeti | Humanoid | — |
| Mountaineer Angst | Humanoid | — |
| Mountaineer Barleybrew | Humanoid | — |
| Mountaineer Barn | Humanoid | — |
| Mountaineer Bludd | Humanoid | — |
 Mountaineer Brokk | Humanoid | — |
| Mountaineer Coalbeard | Humanoid | — |
| Mountaineer Cobbleflint | — | — |
| Mountaineer Cragg | Humanoid | — |
 Mountaineer Dalk | Humanoid | — |
| Mountaineer Dolf | Humanoid | — |
 Mountaineer Droken | Humanoid | — |
| Mountaineer Fazgard | Humanoid | — |
 Mountaineer Flint | Humanoid | — |
 Mountaineer Ganin | Humanoid | — |
| Mountaineer Gravelgaw | — | — |
 Mountaineer Gwarth | Humanoid | — |
| Mountaineer Haggil | Humanoid | — |
| Mountaineer Haggis | Humanoid | — |
 Mountaineer Hammerfall | Humanoid | — |
| Mountaineer Harn | Humanoid | — |
| Mountaineer Janha | Humanoid | — |
 Mountaineer Kadrell | Humanoid | — |
| Mountaineer Kamdar | Humanoid | — |
