| Attenuation! Part Deux | Triptych Brewing | Brut IPA | 7.0% |
| Attic & Eaves | Slumbrew | American Brown Ale | 7.5% |
| Atticus | Strand Brewing Co. | American IPA | |
| Atwater Block Michigan Lager | Atwater Block Brewing | German Pilsner | 5.0% |
| Atwater Grand Circus IPA | Atwater Brewery | American IPA | 4.2% |
| AU Jus | Vitamin Sea | New England IPA | 7.6% |
| Au Ra | Intangible Ales | Saison | 4.5% |
| Au Revoir | Heavy Reel Brewing Company | German Pilsner | 4.8% |
| Au Revoir | Side Project | Saison | 6.0% |
| Aubel Double | Brasserie Grain D'Orge | Dubbel | 6.1% |
| Aubergine | Kelly Green | | |
| Aubree | The Libertine Brewing Company | Saison | 6.0% |
| Auburn | Mad Anthony Brewing | American Pale Ale | |
| Auburn Ale | Cameron's Brewing | American Amber / Red Ale | 5.0% |
| Auburn Ale | Jacob Leinenkugel Brewing Company | American Amber / Red Ale | |