| Age of No Light (Mint/Cacao Nibs/Vanilla) | Bissell Brothers | | |
| Age of Reason | Fort George Brewery | American Imperial Stout | 12.0% |
| Age Old Pumpkin Stout | Crooked Letter | American Stout | 8.0% |
| Aged Sour State Pen Porter | Santa Fe Brewing Company | Wild Ale | 6.7% |
| Agent | Black Project Spontaneous & Wild Ales | Wild Ale | |
| Agent A Deux | Brewery Vivant | Belgian Dark Ale | 6.5% |
| Agent Contains Nuts | Northern Monk | Wild Ale | |
| Agent of Chaos | Wayfinder Brewery | Munich Dunkel | 5.3% |
| Agent Orange | Strange Roots Experimental Ales | Wild Ale | 9.0% |
| Agents of Chaos | Chaos Mountain Brewing | Belgian Dark Strong Ale | 10.0% |
| The Ages | Deschutes Brewery | Gueuze | 8.0% |
| Aggravated Murder | Bombastic Brewing | American Imperial Stout | 14.5% |
| Aggressive Transcendence | Tired Hands | American IPA | 7.3% |
| Aggromaster | Three Floyds Brewing | Scottish Ale | 7.5% |
| Agnus Triple Ale | Brewery Corsendonk | Tripel | 7.5% |