| Maiden's Advenutre | Lickinghole Creek Craft Brewery | Saison | 9.0% |
| Maifest | Millstream Brewing | Märzen | |
| Maigre | Transient Artisan Ales | Berliner Weisse | 3.1% |
| Mail Order Bride | Bare Hands | | 5.0% |
| Mail Order Martian | BrewDog Ltd | English IPA | 7.0% |
| Mail Order Mule | Wiley Roots Brewing Co. | Wild Ale | |
| Maillard Reaction | Equilibrium Brewery | American Imperial Stout | 11.0% |
| Maillard Reaction | Gizmo Brew Works | American Brown Ale | 9.5% |
| Maillard w Coffee & Vanilla | Fibonacci | American Imperial Stout | 11.8% |
| Maillard’s Odyssey | Sierra Nevada / Bell's | | |
| Maillot Jaune | The Livery | Saison | 5.5% |
| Main Course | More Brewing Co. | Imperial IPA | 8.3% |
| Main Grove | Burgeon Beer Company | American IPA | 6.7% |
| Main Street Brown Ale | Harbor City Brewing | American Brown Ale | |
| Main Street Raz | Mickey Finn's Brewery | American Pale Wheat Beer | |