| Maurice River Bourbon Brown Ale | Glasstown Brewing Company | | |
| Maven | Barley Mow Brewing Company | Sweet / Milk Stout | 6.5% |
| Maverick | Fairhope Brewing Company | Wild Ale | 5.4% |
| Maverick | The Libertine Brewing Company | Wild Ale | 7.8% |
| Maverick & Gose | Amsterdam & Great Lakes Collab | Gose | 5.9% |
| Mavericks Amber Ale | Half Moon Bay Brewing | American Amber / Red Ale | 4.8% |
| 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% |