| Bar Fly | Midnight Sun Brewing Co. | American Imperial Stout | 12.6% |
| Bar Harbor Blueberry Ale | Atlantic Brewing Company | | |
| Bar Harbor Real Ale | Atlantic Brewing Company | | 5.2% |
| Bar Harbor Summer Ale | Atlantic Brewing Company | American Blonde Ale | 4.5% |
| Bar Volo 25th Anniversary Ale | Le Trou Du Diable | Wild Ale | 7.5% |
| Barabbas Nr. 57 | Borg Brugghús | Dubbel | 7.0% |
| Baracktoberfest | Saint Louis Brewery / Schlafy Tap Room | Märzen | |
| BARACUS | Unruly Brewing Co. | | 14.0% |
| Barbapapa | Pretty Things Beer & Ale Project | Russian Imperial Stout | 12.0% |
| Barbar | Brasserie Lefebvre | Belgian Pale Strong Ale | 8.0% |
| Barbarian Fishing V16 | De Kromme Haring | New England IPA | 8.0% |
| Barbarian Fishing v8 | De Kromme Haring | New England IPA | 8.0% |
| Barbarian fishing v9 | De Kromme Haring | New England IPA | 8.0% |
| Barbarian IPA | Brewski | American IPA | 6.0% |
| The Barbaric Yawp | Blackrocks Brewery | Scotch Ale / Wee Heavy | 8.5% |