| Most Premium | Gigantic Brewing Co. | Russian Imperial Stout | 10.0% |
| Mostly Brett Dancing Plague | Modern Times | Berliner Weisse | 5.0% |
| Mostly Cloudy | Long Trail Brewing Co | Witbier | 4.7% |
| Mother Barrel select | Captain Lawrence Brewing Company | Wild Ale | 10.0% |
| Mother Funker | The Bruery | | |
| Mother in Lager | Karbach Brewing | Light Lager | |
| Mother of All Beers | Pizza Port Brewing - Solana Beach | | |
| Mother Of All Storms | Pelican Pub & Brewery | English Barleywine | 14.0% |
| Mother's Milk | Keegan Ales | Sweet / Milk Stout | 6.0% |
| Mother's Milk Widow Jane Bourbon Barrel Aged | Keegan Ales | | |
| Motherland | Hopworks Urban Brewery | Russian Imperial Stout | 9.8% |
| Mothership Wit | New Belgium Brewing | | 4.8% |
| Motif | Crooked Stave Artisan Beer Project | Wild Ale | 8.9% |
| Motif Reserva | Crooked Stave Artisan Beer Project | Wild Ale | 8.9% |
| Motley Cru | Bellwoods Brewery | Quadrupel (Quad) | 11.0% |