| Matryoshka Vanilla, Cocoa Nibs, Cinnamon & Raspberries | Fort George Brewery | American Imperial Stout | 12.8% |
| Matryoshka with Mexican Vanilla Bean and Coconut | Fort George Brewery | | |
| Matsurika | Japas Cervejaria | Bohemian / Czech Pilsner | 5.0% |
| Matt | Hair of the Dog Brewing Company | American Strong Ale | 11.5% |
| Matt's Burning Rosids | Stone Brewing | Saison | 10.5% |
| Matter of Habit | Ritual Brewing Co | Imperial IPA | 10.0% |
| Matterhorn | Night Shift Brewing | Saison | 7.2% |
| Matties Jungle | Brouwerij Eleven | Herb and Spice Beer | 4.9% |
| Mattina Rossa | Allagash Brewing Company | Wild Ale | 6.6% |
| Mattrazzo | Plan Bee Farm Brewery | Saison | |
| Matt’s Sleepy Time Belgian Imperial Stout | Beau's All Natural Brewing Co. | American Imperial Stout | 8.0% |
| Maturin | Magnanimous | Russian Imperial Stout | 13.5% |
| Matuška Apollo Galaxy | Minipivovar Matuška Broumy (Matuska) | | 5.5% |
| Matuška IPA Raptor Super Dry | Minipivovar Matuška Broumy (Matuska) | American IPA | 6.2% |
| Maud | Fair Isle Brewing | Saison | 4.5% |