| Mataro | Fair Isle Brewing | Saison | 8.7% |
| Matawin | À La Fût | Lambic | |
| Matcha Gose | Smazinheira Brewing | Gose | |
| Matcha Super Green Yuzu IPA | Red Brick Brewing Company | Imperial IPA | 7.8% |
| Materfamilias | Mother's Brewing Company | American Imperial Stout | 11.0% |
| Mathias Dahlgren - Oktoberfest | S:t Eriks Bryggeri | European Pale Lager | 5.3% |
| Mathlete | Rhinegeist Brewery | | 4.0% |
| Matilda | Goose Island Beer Co. | Belgian Pale Strong Ale | 7.0% |
| Matilda | Goose Island Beer Company - Fulton Street | | 7.0% |
| Matinee | 2 Crows Brewing Co. | New England IPA | 3.1% |
| Matinee | Dois Corvos | American IPA | |
| Matisse | Night Shift Brewing | Saison | 6.8% |
| Matölen | Evil twin / Mathias Dahlgren | American Porter | 6.5% |
| Matrices | Sante Adairius Rustic Ales | Saison | |
| Matricide | Nightmare Brewing Company | American Imperial Stout | 15.1% |