 Me, Myself, and I | Infinite Archive / General | 15 |
 Meatgrinder | Trials / Kyne's Aegis | 15 |
 Mechanic's Machinations | Trials / Halls of Fabrication | 50 |
 Mechanical Archeology | DLC Dungeons / Graven Deep | 10 |
 Medal Mayhem | Holiday Events / Whitestrake's Mayhem | 10 |
 Mehrunes Dremora Slayer | Dungeons / City of Ash II | 10 |
 Mehrunes' Spite Explorer | Exploration / Aldmeri Dominion | 10 |
 Member of the Antiquarian Circle | Character / General | 50 |
 Memories of the Spearhead | Necrom / Tales of Tribute | 10 |
 Memory Masher | Exploration / Ebonheart Pact | 5 |
 Mender Wrender | DLC Dungeons / Unhallowed Grave | 10 |
 Mender's Bond | Character / Scribing | 10 |
 Menhir Hunter | Exploration / Daggerfall Covenant | 5 |
| Mephala's Nest Explorer | Exploration / Ebonheart Pact | 10 |
 Mercenaries and Metamagic | Necrom / Companions | 50 |
 Mercenary Style Master | Crafting / General | 50 |
 Merchant Lord's Coffers | Thieves Guild / Exploration | 10 |
 Mercy Killer | Exploration / Aldmeri Dominion | 5 |
 Mercymother, I Bend My Knee | Necrom / Tales of Tribute | 15 |
 Meridia's Lightbearer | Quests / Coldharbour | 15 |
| Meridian Style Master | DLC Dungeons / Depths of Malatar | 50 |
 Message in a Bottle | Summerset / General | 5 |
 Messy Business | Holiday Events / Jester's Festival | 50 |
 Meteor Mayhem | Arenas / Blackrose Prison | 10 |
 Methodical Mixologist | DLC Dungeons / Stone Garden | 10 |
 Meticulous Digger | Greymoor / Antiquities | 5 |
 Metrand Met His Match | Infinite Archive / Tales of Tribute | 15 |
 Middle-Man | Clockwork City / Quests | 10 |
| Midnight Barrow Explorer | Greymoor / Exploration | 5 |
| Militant Monk Style Master | DLC Dungeons / Lep Seclusa | 50 |
| Militant Ordinator Style Master | Player VS Player / Battlegrounds | 50 |
 Mind Games | Summerset / Quests | 10 |
 Mind Over Magicka | Infinite Archive / Exploration | 15 |
| Mindshriven Slayer | DLC Dungeons / Imperial City Prison | 10 |
| Mines of Khuras Explorer | Exploration / Daggerfall Covenant | 10 |
 Minimal Animosity | DLC Dungeons / Fang Lair | 10 |
| Minimalist | DLC Dungeons / Black Gem Foundry | 10 |
 Mining Sample Collector | Greymoor / Quests | 10 |
| Mining Tunes | DLC Dungeons / General | 50 |
| Minotaur Style Master | Dark Brotherhood / General | 50 |
 Minotaur Tracker | Gold Road / Exploration | 15 |
 Mirri's Companion | Blackwood / Companions | 10 |
 Mirri's Favor | Blackwood / Companions | 10 |
 Mirror Smasher | Gold Road / Exploration | 50 |
 Mirrored Cooperation | Trials / Lucent Citadel | 15 |
 Mirrormoor Incursion Demolisher | Gold Road / Mirrormoor Mosaics | 10 |
 Mirrormoor Incursion Devastator | Gold Road / Mirrormoor Mosaics | 15 |
 Mirrormoor Incursion Disruptor | Gold Road / Mirrormoor Mosaics | 15 |
 Mirrormoor Incursion Hunter | Gold Road / Mirrormoor Mosaics | 5 |
 Misery Loves Company | Trials / Cloudrest | 50 |