| Octoberfest Maerzen | Old Dominion Brewing Co. | Märzen | 5.9% |
| Octobre En Avril | Avant-Garde Artisans Brasseurs | | 9.5% |
| Octopus Ink Black IPA | The Pike Brewing Co. | Black IPA | 8.2% |
| Ocular Pat-Down | Odd Side Ales | Robust Porter | 6.0% |
| Ocularity | Bottle Logic | Imperial IPA | 9.5% |
| Oculus | Crooked Stave Artisan Beer Project | Wild Ale | 9.0% |
| ODB ( Ol' Dirty Barrel) | Belching Brewing | Russian Imperial Stout | 10.5% |
| Odd Brewin' | Outer Banks | Flanders Oud Bruin | 7.5% |
| Odd Season | Honest Weight Artisan Beer | Wild Ale | |
| Oddities And Outliers Blend III | Odd Breed Wild Ales | | |
| Oddland Ginger Berry Brown Ale | Elysian Brewing Co. | American Brown Ale | 8.0% |
| Oddland Peppercorn Saison | Elysian Brewing Co. | Saison | 7.0% |
| Oddland Spiced Pear Ale | Elysian Brewing Co. | Fruit and Field Beer | 6.3% |
| ODDtober | ODD Muse Brewing Company | Märzen | 6.0% |
| Ode Etta Sahti | MobCraft Beer | Sahti | 6.8% |