| Mop Water - 5 Spiced Ale | Cape May Brewing Company | Herb and Spice Beer | 7.3% |
| Mopped Tears | Prairie Artisan Ales | American Imperial Stout | |
| Morada | Other Half Brewing Co. | Saison | 4.5% |
| Morada | Three Barrel Brewing Company | Wild Ale | |
| Moraine | Fieldwork Brewing Co. | American IPA | 7.1% |
| Moral Imperative | J. Wakefield Brewing | American Imperial Stout | |
| Moral Irresponsibility | Pirate Sheep Brewing | Russian Imperial Stout | 11.0% |
| Moralité | Brasserie Dieu du Ciel | American IPA | 6.9% |
| Morality Has Always Been Subjective | übergeek Brewing Company | Imperial IPA | 9.0% |
| MORAS | Odd Breed Wild Ales | Wild Ale | 5.0% |
| Moray | Iowa Brewing Company | | 11.9% |
| Morbidly Obese Pug Cookies and Cream | Maplewood Brewery | American Imperial Stout | 10.0% |
| Morbidly Obese Pug with Coconut | Maplewood Brewery | Sweet / Milk Stout | 9.0% |
| Mordred | Night Shift Brewing | Oatmeal Stout | 7.5% |
| Mordred | Small Gods | English Dark Mild Ale | 3.5% |