| Mavka | Siren Craft Brew | Russian Imperial Stout | 11.4% |
| Mavrodaphnee Barrel Aged English Barleywine 2020 | Kykao - Handcrafted | English Barleywine | 12.0% |
| Max | Brouwerij De Moersleutel | New England IPA | 8.0% |
| Maxed Out Gorilla Juice | Ascension Brewing | | |
| Maxima | To Øl | New England IPA | 8.0% |
| Maximaaltje | Brouwerij Het Paleisje | Belgian Blonde Ale | 5.5% |
| Maximator | Augustiner-Bräu München | Bock | |
| Maximilian | Urban Chestnut Brewing Company | Weizenbock | 7.0% |
| Maximilian (Max) Russian Imperial Stout | Vintage Brewing Company | Russian Imperial Stout | 9.2% |
| Maximón | Sori Brewing Estonia | Baltic Porter | 10.5% |
| Maximum Comfort | Gigantic Brewing Co. | American IPA | 7.5% |
| Maximum Cowbell | Epic Brewing Company | | |
| Maximum Deluxury | Sigma Beer | American Porter | 10.4% |
| Maximum Florida | Westbrook Brewing | Fruit and Field Beer | 6.0% |
| Maximum Hijinks | Primitive Beer | Wild Ale | 6.2% |