| Arise and Cease | Floodland Brewing | Saison | 4.4% |
| Arizona Beast | Amager Bryghus | | |
| Arizona Peach | Four Peaks Brewing | Fruit Lambic | 4.0% |
| arketyp | Nynäshamns Ångbryggeri | Gruit / Ancient Herbed Ale | 10.0% |
| Arketyp | Nynäshamns Ångbryggeri/Dogfish Head | Herb and Spice Beer | 10.0% |
| Arketype Chocolate Churro | More Brewing Co. | American Imperial Stout | 14.0% |
| Arketype: Almond Fudge Macaroon | More Brewing Co. | American Imperial Stout | 14.0% |
| Arkham Stout | Blue Cat Brew Pub | American Stout | |
| Arlo | Atom Brewing | Saison | 6.5% |
| Arlo the Wonderbeagle's Sour Brown Ale | 2nd Shift Brewery | | |
| The Arm Barn | Broken Bat Brewing Co. | New England IPA | 6.0% |
| The Armagandias | De Garde Brewing | Wild Ale | 5.5% |
| Armageddon | BrewDog Ltd | American Strong Ale | 65.0% |
| Armageddon | Brewmeister | | 65.0% |
| Armageddon Grand Cru | Dragonmead Microbrewery | Quadrupel (Quad) | 11.6% |