| Back Forty Bock | New Glarus Brewing Company | Bock | 5.5% |
| Back Hand Black Eye PA | BOOM! Brewing Company | American IPA | 9.0% |
| Back Home Gingerbread Stout | Golden Road Brewing | American Imperial Stout | 8.5% |
| Back in Black | 21st Amendment / Firestone Walker / Stone | | |
| Back in Black | 21st Amendment Brewery Cafe | English Strong Ale | 6.0% |
| Back in Blackberry | Jessup Farm Barrel House | American Brown Ale | 6.7% |
| Back in the Day IPA | Orange Blossom Brewing Company | American IPA | 6.4% |
| Back In the Dayz | Mikkeller | | 10.0% |
| Back Into The Emptiness | Tired Hands | Saison | 7.0% |
| Back Pocket | The Establishment Brewing Company | American Imperial Stout | 11.9% |
| Back Road Ale | Back Road Brewery | American Pale Ale | 5.0% |
| Back Road American Pale Ale | Back Road Brewery | American Pale Ale | 5.0% |
| Back Road Stout | Millstream Brewing | Oatmeal Stout | 6.7% |
| Back Road Stout (barrel aged) | Millstream Brewing | Oatmeal Stout | |
| Back Roads | Suarez Family Brewery | Saison | 5.6% |