| Atomic Whale | 18th Street Brewery | | |
| Ator 20 | Brauhaus Riegele | Doppelbock | 7.5% |
| Atramentous | Three Brothers Brewing | | |
| Atrial Rubicite | Jester King Craft Brewery | Wild Ale | 5.8% |
| Atrial Rubicite (Blend 13) | Jester King Brewery | | |
| Atta Boy IPA | Pleasanton Main Street Brewery | American IPA | 7.3% |
| Atta Boysenberry | The Bruery | Wheatwine | 13.8% |
| Attack Frequency | Modern Times | Saison | 6.0% |
| Attack of the Devil's Lettuce | Pipeworks Brewing Company | Imperial IPA | 9.0% |
| Attack of the Ryeclops | Weird Beard Brew Company | Rye Beer | 5.5% |
| Attacus Atlas | Parish Brewing | Imperial IPA | 9.0% |
| Attempted Murder | Bombastic Brewing | American Imperial Stout | 10.0% |
| Attempted Redrum | New England Brewing Co. | | 13.0% |
| Attention Please! | Bearded Iris Brewing | Imperial IPA | 8.2% |
| Attention Please! DDH W/ Nelson Sauvin | Bearded Iris Brewing | Imperial IPA | 8.2% |