| Mud Turtle | Buffalo Bayou Brewing Company | Scotch Ale / Wee Heavy | 9.2% |
| Mudbank Milk Stout | Neshaminy Creek Brewing Company | | |
| Mudcat Stout | Upper Mississippi Brewing | American Stout | |
| Muddy Imperial Stout | Goose Island Beer Co. | American Imperial Stout | 9.0% |
| The Muddy Imperial Stout | Goose Island Beer Co. | American Imperial Stout | 9.0% |
| Mudhoney | Burnt Hickory | American Brown Ale | 6.0% |
| Mudshark Porter | Fish Brewing Company & Fish Tail Brewpub | American Porter | |
| Mueller Doppelbock | Springfield Brewing | Bock | |
| Muerte | Backlash Beer Company | Russian Imperial Stout | 10.5% |
| Muffin Top | Clown Shoes | Belgian IPA | 10.0% |
| Mühle & Bahnhof | Brouwerij De Molen | Gose | 9.2% |
| Muis | Phantom Carriage | | 6.7% |
| mulligan | De Garde Brewing | | |
| Mullin Brown | Upper Mississippi Brewing | American Brown Ale | 4.8% |
| Mullineaux | 2nd Shift Brewery | Saison | 6.0% |