| Boss Tweed | Old Nation Brewing Company | Imperial IPA | 9.3% |
| Boss Tycoon | J. Wakefield Brewing | American Imperial Stout | 14.0% |
| Bossa Haze | Ex Novo Brewing | Imperial IPA | 7.6% |
| Bossa Haze | NOVO Brazil Brewing Co. | Imperial IPA | 7.6% |
| Boston | Aslin Beer Company | | |
| Boston Ale | Samuel Adams | | 5.0% |
| Boston Lager | Samuel Adams | Vienna Lager | 4.7% |
| Boston Marathon Bourbon | HopEra Microbrasserie & Pizzeria | Old Ale | 11.0% |
| Boston Marathon Bourbon Cherry | HopEra Microbrasserie & Pizzeria | Old Ale | 11.0% |
| Boston Marathon Cognac | HopEra Microbrasserie & Pizzeria | English Strong Ale | 11.0% |
| Boston Marathon Single Barrel Scotch | HopEra Microbrasserie & Pizzeria | | 10.0% |
| Boston Red | Boston Beer Works | American Amber / Red Ale | |
| Botanical Basket | Wiley Roots Brewing Co. | | |
| Botanik | Gouden Carolus | | 8.5% |
| The Botanique | De Garde Brewing | Wild Ale | 6.0% |