| Blacktart | MadTree | Sweet / Milk Stout | 8.0% |
| Blacktop Porter | Pacific Rim Brewing | American Porter | |
| Blackwater Imperial Stout | Edge Brewing Company | American Imperial Stout | 11.0% |
| Blackwater Porter | Orlando Brewing | American Porter | 5.4% |
| Blackwood Mountain Stout | Top of the Hill Restaurant and Brewery | American Stout | |
| Blacpac | Brewski | Russian Imperial Stout | 10.5% |
| Blade & Stone | Brouwerij De Molen | American Strong Ale | 11.5% |
| Bladow! | Casita Brewing Company | American Imperial Stout | 11.5% |
| Bladow! | Casita Cerveceria | | 11.5% |
| Blaecorn Unidragon | Clown Shoes | Russian Imperial Stout | 12.5% |
| Blågul | Carlsberg Sverige AB | European Pale Lager | 5.2% |
| Blah Blah Blah | 21st Amendment Brewery Cafe | | |
| Blakc Aggie Devils Food Cake | Hidden Springs Ale Works | American Imperial Stout | 13.0% |
| Blakkr | Real Ale Brewing Company | Black IPA | |
| Blakkr | Surly Brewing Co. | Black IPA | 10.0% |