| Ask the Dust | Brouwerij West | American IPA | 6.5% |
| Askew | Two Brothers Brewing | Wild Ale | 6.5% |
| Asking For A Friend | Magnify Brewing | | |
| Asklepian | Wunderkammer Bier | Wild Ale | 6.8% |
| Asleep on the Forest Floor | Elder Pine Brewing & Blending | New England IPA | 8.7% |
| Asleep on the West Coast | Elder Pine Brewing & Blending | Imperial IPA | 8.7% |
| Asmodeus | Metal Monkey Brewing | | 12.0% |
| Asmodeus DIPA | Apex Brewing Company | | 8.0% |
| ASOS | American Solera | American Imperial Stout | 14.0% |
| Aspect Oriented | Spyglass Brewing Company | Imperial IPA | 8.3% |
| Aspen Edge | Coors Brewing - Golden Brewery | | |
| Aspen Meadow Black and Tan | Cold Spring Brewing | American Lager | |
| Asphyxiation | MAP Brewing Co. | Belgian Dark Strong Ale | 10.2% |
| Asphyxiation - Rum Barrel Aged | MAP Brewing Co. | Belgian Dark Strong Ale | 10.2% |
| Ass Kisser Double IPA | Ass Kisser Ales | Imperial IPA | 7.8% |