| Oregon Fruit Series: Flat White Cherries | Mikkeller | Sweet / Milk Stout | 7.5% |
| Oregon Golden Ale | Rogue Ales | American Blonde Ale | |
| Oregon Native | Upright Brewing Company | Wild Ale | 8.0% |
| Oregon Sunrise | Alesong | | 9.5% |
| Orenda Volume 2 | Pollyanna | Quadrupel (Quad) | 9.3% |
| Orenda Volume 3 | Pollyanna | Tripel | 11.0% |
| Orenji | OEC Brewing (Ordinem Ecentrici Coctores) | Wild Ale | |
| Oreo Borealis | Magnify Brewing | | |
| Oreo Speed Wagon | Lake Time Brwery | | 5.6% |
| Oreo Speedwagon | Hitchhiker Brewing Company | | 10.5% |
| Organic & Wild Black Belle | Lambiek Fabriek | Fruit Lambic | 6.5% |
| Organic Ale | Samuel Smith Old Brewery | American Blonde Ale | 5.0% |
| Organic Ale | Sigtuna Brygghus | American Pale Ale | 4.5% |
| Organic Amber Ale | Fish Brewing Company & Fish Tail Brewpub | American Amber / Red Ale | 5.0% |
| Organic Apricot Ale | Samuel Smith Old Brewery | Fruit and Field Beer | 5.1% |