| Mutualism | Creature Comforts | Wild Ale | 5.0% |
| Mutualism | Speciation Artisan Ales | Wild Ale | 7.6% |
| Mutualism 2 | Speciation Artisan Ales | Wild Ale | 6.5% |
| Mutually Assured Destruction (Barrel Aged) | Thimble Island Brewing Company | Russian Imperial Stout | 11.0% |
| Mutually Assured Destruction (M.A.D.) | Thimble Island Brewing Company | Russian Imperial Stout | 11.0% |
| Muy Bonita | Funky Buddha Lounge and Brewery | American Brown Ale | 8.5% |
| MVP | Prairie Artisan Ales | American Imperial Stout | |
| MXD FRM | Jackie O's Pub & Brewery | Saison | 5.5% |
| Mxyzptlk | Bottle Logic | American Porter | 12.8% |
| my | Lakefront Brewery | | |
| My Antonia | Birra Del Borgo | Imperial Pilsner | 7.5% |
| My Antonia | Dogfish Head Craft Brewery | | |
| My Balalaika | Brygghus 19 | Russian Imperial Stout | 10.1% |
| My Black Parade | The Lost Abbey | American Strong Ale | 12.5% |
| My Bloody Valentine | Alameda Brewhouse | Saison | 5.5% |