| Old Blaggard | Summit Brewing | English Barleywine | 10.1% |
| Old Blarney Barleywine | Moylan's Brewery & Restaurant | | 10.0% |
| Old Blarney Barleywine Buffalo Trace Barrel Aged | Moylan's Brewery & Restaurant | American Barleywine | 10.0% |
| Old Boardhead 2011 | Full Sail Brewing | American Barleywine | 9.0% |
| Old Boardhead Barleywine Ale | Alaskan Brewing Co. | American Barleywine | |
| Old Boardhead Barleywine Ale | Full Sail Brewing | American Barleywine | 9.0% |
| Old Bootleg Barrel Aged Clover Honey Mead | Bootleg Hill Honey Meads | | 14.0% |
| Old Bounder | Boundary Bay Brewery and Bistro | American Barleywine | 9.6% |
| Old Bridge Dark Lager | Dockside Brewing | American Lager | 5.3% |
| Old Bridge Rider | Fremont Brewing Company | | |
| Old Bridge Rider (Brouwer's Cafe 7th Anniversary Beer) | Fremont Brewing Company | English Barleywine | 13.0% |
| Old Broadway Cream Ale | Titletown Brewing | American Lager | |
| Old Brown Dog Ale | Smuttynose Brewing Co. | American Brown Ale | 5.9% |
| Old BullDog Extra Special | Aviator Brewing Company | American Strong Ale | 5.8% |
| Old Burly | Bridge Brew Works | American Barleywine | 9.1% |