| Oval Nouveau | Angry Orchard Hard Cider | | |
| OVB Creamsicle IPA | Bolero Snort | American IPA | 6.3% |
| Over Ale | Half Acre Beer Company | American Brown Ale | 6.0% |
| Over And Out Oatmeal Stout | Fish Brewing Company & Fish Tail Brewpub | | |
| Over Easy | Otter Creek Brewing | | |
| Over Ripe Fruit In The Can | Great Notion | Fruited Kettle Sour | 6.3% |
| Over Soul | Resident Culture Brewing Company | New England IPA | 7.0% |
| Over The Edge | The Unknown Brewing Co. | American IPA | 6.9% |
| Over The Line | Pipeworks Brewing Company | | |
| Over The Line Stout | Pacific Beach Brewhouse | American Stout | |
| Over the Moon | Fuerst Wiacek | English IPA | 6.8% |
| Over Zealous | Eredità Beer | Imperial IPA | 9.0% |
| Over-Rated IPA | Surly Brewing Co. | American IPA | 7.3% |
| Over-Ripe | Great Notion | New England IPA | 6.0% |
| Over-The-Rhine Ale | Christian Moerlein Brewing Company | American Pale Ale | 6.0% |