| Overflow | Charles Towne Fermentory | New England IPA | 7.1% | 
| Overgolded | Saint Errant | New England IPA | 7.5% | 
| Overhang (Alta Series) Porter | Two Beers Brewing Co. | American Porter | 12.9% | 
| Overhaze | Marz Community Brewing | New England IPA | 6.8% | 
| Overhead | Kane Brewing Company | Imperial IPA | 8.2% | 
| Overloaded | Amundsen Brewery |  | 11.5% | 
| Overlord Imperial IPA | Tin Man Brewing |  | 9.2% | 
| Overlord's Dictation | Mikkeller | American Imperial Stout | 12.0% | 
| Overly Friendly IPA | Holy City Brewing |  |  | 
| Overly Prompt | Adventurous Brewing | Imperial IPA | 12.5% | 
| Overnight Celebrity | Monday Night Brewing | Imperial Porter | 11.5% | 
| Override | Nerdbrewing | American Imperial Stout | 10.8% | 
| Overshift | Cigar City Brewing | American Barleywine |  | 
| Overstory - Dessert Reserve | Single Hill Brewing | American Imperial Stout | 11.1% | 
| Ovila Abbey Quad w/ Cherries | Sierra Nevada Brewing Co. | Quadrupel (Quad) | 9.2% |