| Merry Month of May | Bokkereyder | Lambic | |
| Merveilleux | Allagash Brewing Company | Wild Ale | |
| Mervelle | Wheatland Spring Farm Brewery | Wild Ale | 6.5% |
| Mervisia | Birrificio Civale | English Pale Ale | 6.2% |
| Mesa | Cismontane Brewing | Herb and Spice Beer | 6.0% |
| Mesa Cerveza Schnorzenboomer | Main Street Brewery | Bock | |
| Mesa Pale Ale | Callahan's Pub and Brewery | American Pale Ale | |
| Mesabi Red | Lake Superior Brewing | American Amber / Red Ale | 6.5% |
| Mesca Ulad | Weird Beard Brew Company | | 8.4% |
| Mescafé | The Ale Apothecary | Wild Ale | 6.0% |
| Meseeks Joose | Los Angeles Ale Works | Imperial IPA | 8.0% |
| Mesozoic | Gneiss Brewing Company | American Porter | 8.0% |
| Mesquite | Garagiste Meadery | | 13.0% |
| Mesquite Smoked Porter - MSP | Ranger Creek Brewing & Distilling | American Porter | 6.1% |
| Mesquite-Smoked Barrel-Aged Robust Porter | Woodinville Brewing | Smoked Porter | 8.0% |