| As Above So Below | Mortalis | | |
| As Above So Below Marshmallow | Mortalis | | |
| as follows | Stillwater Artisanal Ales | Belgian Pale Strong Ale | 9.0% |
| As Simple As Beginnings? | The Seed: A Living Beer Project | Czech Pale Lager | 4.5% |
| As Simple As Shadows? "Smoked" | The Seed: A Living Beer Project | Rauchbier | 5.4% |
| As You Wish | Pipeworks Brewing Company | American Porter | 11.0% |
| Asahi Super Dry | Asahi Breweries | Japanese Rice Lager | 5.0% |
| Asam-Bock | Klosterbrauerei Weltenburg | Bock | 6.9% |
| Ascension | Amalgam | Wild Ale | 6.0% |
| Ascension | Community Beer Company | American Porter | 6.9% |
| Ascension | Two Beers Brewing Co. | | |
| Ascensionism | Prizm Brewing Co. | New England IPA | 6.0% |
| Asesinato De Cuervos | Skookum Brewery | American Imperial Stout | 11.5% |
| Asesino De Medianoche | Weldwerks | American Imperial Stout | 13.1% |
| Ash | Plan Bee Farm Brewery | Wild Ale | |