| Maximum Manhattan | Kuhnhenn Brewing | | 14.0% |
| Maximus | Double Maxim | English Strong Ale | |
| Maximus | Lagunitas Brewing Company | Imperial IPA | 8.4% |
| Maximus IPA | Lagunitas Brewing Company | | |
| Maxlrainer Leo Weisse | Schlossbrauerei Maxlrain GmbH & Co. KG | Hefeweizen | 5.0% |
| Maxwell & Coney Hit The Road | Hop Butcher for the World | New England IPA | 7.7% |
| Maxwell's Demon | Azvex Brewing Company | English IPA | 5.4% |
| Maxx Stout | Mac and Jack's Brewery | American Stout | 6.2% |
| May Contain Tartness & Funk | Historic Brewing Company | Saison | 6.0% |
| May Day | Huisstekerij h.ertie | | |
| May Flowers | The Bruery | | |
| May IPA | Moustache Brewing Co. | American IPA | 6.9% |
| May The S'Mores Be With You | Brouwerij De Moersleutel | Sweet / Milk Stout | 11.0% |
| May The Schwarz Bier With You 2015 | Smazinheira Brewing | Schwarzbier | 5.5% |
| May The Wild Prevail | Anchorage Brewing Co | Wild Ale | 9.0% |