| OASIS 5 Year Blend | Cherry Street Brewing Cooperative | American Imperial Stout | 10.5% |
| Oasis IPA | Night Shift Brewing | American IPA | |
| Oat Cream IPA | Untitled Art | American IPA | 7.0% |
| Oat Float | Barebottle Brewing Company | Imperial IPA | 7.8% |
| Oat Imperial Oatmeal Stout | Southern Tier Brewing Co | American Imperial Stout | 12.5% |
| Oat Potion | Tired Hands | Saison | |
| The Oat Wine Continuum | Beerbliotek | | 10.5% |
| Oat with the Flocc | Divine Brewing | New England IPA | 6.5% |
| Oater Space | Stadsbrouwerij Eindhoven | Wheatwine | 10.0% |
| Oatgoop | Mikkeller & Three Floyds | | 10.4% |
| Oatis | Ninkasi Brewing | Oatmeal Stout | 7.2% |
| Oatload | To Øl | English IPA | 10.0% |
| Oatmeal Cream Pie | AngryChair/Mikkeller/Cigar City | American Strong Ale | 8.0% |
| Oatmeal Cream Stout | Austin's Homebrew | Oatmeal Stout | |
| Oatmeal Cream Stout | Siletz Roadhouse & Brewery | American Stout | |