| Outta Focus Double IPA | Appalachian Brewing Company | Imperial IPA | 8.0% |
| Outta Kilter Wee-Heavy Scotch Red Ale | Hoppin' Frog Brewery | Scottish Ale | 8.2% |
| Ouvre | Bravery Brewing | American Barleywine | 10.9% |
| Ouwe kletskous | Brouwerij het Uiltje | Hefeweizen | 5.0% |
| Ouwen Duiker | Hedonis | | 7.0% |
| Ov-ral | To Øl | Imperial IPA | 10.5% |
| OvaKillaVanilla | Four Fires Meadery | | 14.0% |
| 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% |