| Mechanical Prairie DogNPC #143188 | Wild pet | Normal | Identity record |
| Mechanical TallstriderNPC #76276 | Mechanical | Normal | Identity record |
| Mechanized PeacekeeperNPC #130485 | Unknown | Normal | Identity record |
| Mechanized PeacekeeperNPC #136139 | Unknown | Normal | Identity record |
| Mechanized PeacekeeperNPC #156431 | Unknown | Normal | Identity record |
| Mechanized PeacekeeperNPC #156437 | Unknown | Normal | Identity record |
| Mechanized PeacekeeperNPC #227961 | Unknown | Normal | Identity record |
| Mechanized PeacekeeperNPC #237587 | Unknown | Normal | Identity record |
| Mechanized PeacekeeperNPC #238605 | Unknown | Normal | Identity record |
| Mechanized Prairie DogNPC #143064 | Unknown | Normal | Identity record |
| Mechanized Prairie DogNPC #143082 | Wild pet | Normal | Identity record |
| Mechano-Lord CapacitusNPC #19219 | Unknown | Normal | Identity record |
| Mechanoranger CogsparkNPC #139482 | Unknown | Normal | Identity record |
| Mechanoranger Cogspark<Ultra-Master Engineer> · NPC #139491 | Humanoid | Special | Identity record |
| Mental Training CreditNPC #39824 | Unknown | Normal | Identity record |
| Merchant Faction ItemsNPC #223483 | Unknown | Normal | Identity record |
| Merciless Nether DrakeNPC #24743 | Unknown | Normal | Identity record |
| Mind Controlled HunterNPC #119366 | Unknown | Normal | Identity record |
| Mind Controlled VrykulNPC #116845 | Unknown | Normal | Identity record |
| Mind-Seeker ApprenticeNPC #256546 | Humanoid | Normal | Identity record |
| Mind-Seeker ApprenticeNPC #258844 | Humanoid | Normal | Identity record |
| Mine Boss (Old Chomps)NPC #79326 | Unknown | Normal | Identity record |
| Minus Mob Credit (DNT)NPC #136617 | Unknown | Normal | Identity record |
| Minus Mob Credit (DNT)NPC #137899 | Unknown | Normal | Identity record |
| Misaligned Ley CrystalNPC #198260 | Unknown | Normal | Identity record |
| Mischief-Maker Ix'blatNPC #118066 | Unknown | Normal | Identity record |
| Mischievous DreamtalonNPC #210229 | Beast | Normal | Identity record |
| Mistyvale SplashcasterNPC #193973 | Unknown | Normal | Identity record |
| Mokra the SkullcrusherNPC #33361 | Unknown | Normal | Identity record |
| Mokra the SkullcrusherNPC #35572 | Unknown | Normal | Identity record |
| Mokra the SkullcrusherNPC #167100 | Unknown | Normal | Identity record |
| Mole Machine PoV BunnyNPC #26834 | Unknown | Normal | Identity record |
| Molten Inferno CrystalNPC #75308 | Unknown | Normal | Identity record |
| Monstrous ShorecrawlerNPC #97757 | Unknown | Normal | Identity record |
| Mor'tec the SoulslaverNPC #116668 | Unknown | Normal | Identity record |
| Morrowchamber EntranceNPC #156292 | Unknown | Normal | Identity record |
| Mosswalker Kill CreditNPC #28644 | Unknown | Normal | Identity record |
| Mottled Crimson RaptorNPC #12345 | Unknown | Normal | Identity record |
| Mouthpiece of Ner'zhulNPC #78928 | Unknown | Normal | Identity record |
| Movement Force StalkerNPC #262736 | Unknown | Normal | Identity record |
| Mr. Sunflower's TeacupNPC #205557 | Unknown | Normal | Identity record |
| Muckscale Flesh-HunterNPC #63997 | Unknown | Normal | Identity record |
| Muckscale Flesh-HunterNPC #64194 | Unknown | Normal | Identity record |
| Multiphase DisturbanceNPC #25882 | Unknown | Normal | Identity record |
| Murkbrine ShellcrusherNPC #178139 | Unknown | Normal | Identity record |
| Musaan the BlazecasterNPC #59969 | Unknown | Normal | Identity record |
| Mysterious Egg ClusterNPC #256369 | Unknown | Normal | Identity record |
| Mythic Swap ControllerNPC #149687 | Unknown | Normal | Identity record |
| Naga Kill Credit ProxyNPC #102542 | Unknown | Normal | Identity record |
| Narcissist's SculptureNPC #191770 | Unknown | Normal | Identity record |
| Nascence Grapple PointNPC #184959 | Unknown | Normal | Identity record |
| Nassa the Cold-BloodedNPC #139387 | Unknown | Normal | Identity record |
| Navarogg Spawn VehicleNPC #113173 | Unknown | Normal | Identity record |
| Naxxramas Combat DummyNPC #16211 | Unknown | Normal | Identity record |
| Naxxramas DeathchargerNPC #29814 | Unknown | Normal | Identity record |
| Nazgrim's DeathchargerNPC #113582 | Unknown | Normal | Identity record |
| Nazgrim's DeathchargerNPC #161742 | Undead | Special | Identity record |
| NC-17 Sonic "Boom" BoxNPC #85235 | Unknown | Normal | Identity record |
| Necromancer CompetitorNPC #166581 | Unknown | Normal | Identity record |
| Necromancer CompetitorNPC #167857 | Unknown | Normal | Identity record |