| Monty Python's Holy Grail Ale Black Knight's Reserve | Black Sheep Brewery | English Brown Ale | 5.7% |
| Monumentale 20Th Anniversary | Ska Brewing Company | Wild Ale | 7.8% |
| Moo Joos | Brau Brothers Brewing Co. LLC | | |
| Moo Thunder Stout | Butternuts Beer and Ale | Sweet / Milk Stout | 4.9% |
| Moo-Hoo Chocolate Milk Stout | Terrapin Beer Company | Sweet / Milk Stout | 6.0% |
| MooChelle Milk Stout | Barrier Brewing | Sweet / Milk Stout | 5.2% |
| Mooi & Machtig (Cognac Barrel) | Brouwerij De Molen | | 17.4% |
| Mooi & Meedogenloos | Brouwerij De Molen | | 10.2% |
| Moon Man | New Glarus Brewing Company | | |
| Moondance | Southbound Brewing Company | American Imperial Stout | 10.6% |
| Moondog ESB | Outer Banks | | |
| Moonglow Weizenbock | Victory Brewing | Weizenbock | 8.7% |
| Moonless Stout | Kereru Brewing | English Stout | 4.0% |
| Moonlight | White Birch Brewing | | |
| Moonlight Drive | Southbound Brewing Company | American Imperial Stout | 8.8% |