 Madame Eva | Humanoid | Duskwood |
 Maddened Rotclaw | Beast | — |
 Madison | Humanoid | — |
 Maeva SnowbraidRobe Merchant | Humanoid | — |
 Maginor DumasMaster Mage | Humanoid | Stormwind City |
 Magistrate Bluntnose | Humanoid | — |
| Magistrate Burnside | Humanoid | — |
 Magistrate Henry Maleb | — | — |
 Magistrate Solomon | Humanoid | Redridge Mountains |
 Magma Elemental | Elemental | — |
| Magma Lord Bokk | Elemental | — |
| Magma Totem | — | — |
| Magmar Fellhew | — | — |
| Magus Fansy Goodbringer | — | Alterac Mountains |
| Magus Olvek | — | — |
| Mahren Skyseer | Humanoid | — |
| Mahu | — | Thunder Bluff |
| Maiden's Virtue Crewman | Humanoid | — |
| Major Mattingly | — | Stormwind City |
| Major Mattingly | Unspecified | — |
 Major SamuelsonStormwind City Guard | Humanoid | — |
| Makaba Flathoof | Humanoid | — |
| Malformed Defias Drone | Humanoid | — |
| MalissaPoison Supplier | Humanoid | — |
| MaliynnFood & Drink Vendor | Humanoid | — |
| Malorne BladeleafHerbalist | Humanoid | — |
| Maluressian | — | — |
| Mana Spring Totem | — | — |
| Mana Tide Totem | — | — |
| Mangletooth | Humanoid | — |
 Mangorn FlinthammerHeavy Armor Merchant | Humanoid | Ironforge |
| Mangy Mountain Boar | Beast | — |
| Mangy Nightsaber | Beast | — |
 Mangy Wolf | Beast | Elwynn Forest |
 Mannoroc Lasher | Demon | — |
| Marcella Bloom | — | Alterac Mountains |
 Marcy BakerInventory Intake | Humanoid | Redridge Mountains |
| Marda Weller | — | Stormwind City |
| Mardant StrongoakDruid Trainer | Humanoid | — |
 Maria LumereAlchemy Supplies | Humanoid | — |
 Maris GrangerSkinning Trainer | Humanoid | — |
| Marisa du'Paige | — | — |
 Mark | Humanoid | — |
| Markel Smythe | Humanoid | — |
 Markus | Humanoid | — |
| Marsh Crocolisk | Beast | — |
| Marsh Skulker | Beast | — |
 Marshal Dughan | Humanoid | Elwynn Forest |
| Marshal Haggard | — | — |
 Marshal Marris | Humanoid | Redridge Mountains |
| Marshal McBride | — | — |
| Marshal Redpath | — | Hillsbrad Foothills |
 Martie Jainrose | Humanoid | Redridge Mountains |
| Marzon the Silent Blade | Humanoid | — |
 Master Mathias ShawLeader of SI:7 | Humanoid | — |
 Master Mechanic Castpipe | Humanoid | Ironforge |
| Master Sergeant BigginsOfficer Accessories Quartermaster | Humanoid | — |
| Master Wood | Humanoid | — |
| Mathiel | Humanoid | — |
| Mathrengyl Bearwalker | — | — |
| Matriarch Bristlefur | — | — |
| Matt | Humanoid | — |
 Matt JohnsonMining Trainer | Humanoid | Duskwood |
| Matthew HooperFishing Trainer | Humanoid | — |
| MavralynLeather Armor & Leatherworking Supplies | Humanoid | — |
 Maximillian CroweWarlock Trainer | Humanoid | — |
| Maximus Warwick | Humanoid | — |
| Maybell Maclure | — | — |
 Mayda ThaneCobbler | Humanoid | — |
 Mazen Mac'NadirAcademy of Arcane Arts and Sciences | Humanoid | — |
| Mazk SnipeshotEngineering Supplies | Humanoid | — |
| McGavanThe Mithril Order | Humanoid | — |
| Me'lynnExpert Tailor | Humanoid | — |
| Mebok Mizzyrix | Humanoid | — |
| Mechanical Squirrel | — | — |
| Mei Francis | — | Alterac Mountains |
 Mekgineer Thermaplugg | Mechanical | — |
| Melarith | Humanoid | — |
 Melika IsenstriderAssistant Innkeeper | Humanoid | Elwynn Forest |
| Melithar Staghelm | Humanoid | — |
| Melris Malagan | — | Stormwind City |
| Menara Voidrender | Humanoid | — |
| Mendez Nightshadow | — | — |
 Menethil Sentry | Humanoid | Wetlands |
| Merell RossWatch Captain | Humanoid | — |
| MerelyssaBlade Merchant | Humanoid | — |
| Meri IronweaveArmorer & Shieldcrafter | Humanoid | — |
| Merideth Carlson | — | — |
| Merissa Stilwell | — | — |
| Merleaux | — | Alterac Mountains |
 Merrin RockweaverExplorers' League | Humanoid | Wetlands |
| Merry | — | — |
 Mesa Buzzard | Beast | — |
| Micha Yance | — | — |
| Michelle BellePhysician | Humanoid | — |
| Mike MillerBread Merchant | Humanoid | — |
| Mikey | — | — |
| MikhailBartender | Humanoid | — |
| Milla FairancoraJourneyman Alchemist | Humanoid | — |
| Milli FeatherwhistleMechanostrider Merchant | Humanoid | — |
