| Old Stock Cellar Reserve (Aged In Bourbon Barrels) | North Coast Brewing Co. | Old Ale | 13.2% |
| Old Stock Cellar Reserve (Aged In Rye Whiskey Barrels) | North Coast Brewing Co. | Old Ale | 13.2% |
| Old Stock Cellar Reserve (Aged In Wheat Whiskey Barrels) | North Coast Brewing Co. | Old Ale | 14.4% |
| Old Stock Cellar Reserve 2017 | North Coast Brewing Co. | Old Ale | 13.6% |
| Old Style | G. Heileman Brewing | American Lager | |
| Old Sullivan Porter | Big Ridge Brewing | American Porter | |
| Old Sun | The Veil Brewing Company | Saison | 5.8% |
| Old Tavern Rat | New Old Lompoc Brewery | American Barleywine | 9.7% |
| Old Time Lager | DC Brau | Light Lager | 4.0% |
| Old Timey | Masthead Brewing Company | English Barleywine | 12.9% |
| Old Timey | Tree House Brewing Company | American Imperial Stout | |
| Old Tom | Frederic Robinson Ltd. | Old Ale | 8.5% |
| Old Tom | robinsons family brewers | English Strong Ale | |
| Old Tom Barley Wine | Frederic Robinson Ltd. | | 8.5% |
| Old Tom Blend (Sole Composition Series) | Upright Brewing Company | Saison | 5.3% |