| The Martians Kidnapped Santa | Spring House Brewing Company | American Stout | 8.3% |
| Martin's Pale Ale | John Martin sa | English Pale Ale | 5.8% |
| Martina | Blondine | Witbier | 4.2% |
| Marvolo | Commonwealth Brewing Co. | American Imperial Stout | 8.7% |
| Marvoloso | Commonwealth Brewing Co. | Russian Imperial Stout | 11.6% |
| Marvoloso 2018 V04 | Commonwealth Brewing Co. | American Imperial Stout | 12.6% |
| Marvoloso 2020 V07 | Commonwealth Brewing Co. | | |
| Marvoloso Variant 2 | Commonwealth Brewing Co. | Russian Imperial Stout | 11.6% |
| Mary | Hill Farmstead | German Pilsner | 5.6% |
| Mary Ann's Pie | Avery Brewing Company | American Imperial Stout | 14.5% |
| Mary Jane | The Ilkley Brewery | English Pale Ale | |
| Mary Of The Gael | Mystic Brewery | Saison | 6.7% |
| Maryland Roast | RAR Brewing | Cream Ale | 9.0% |
| Märzen | Barrique Brewing & Blending | Märzen | 5.8% |
| Märzen | Brasserie Vrooden | Märzen | 6.0% |