| Understory | Swamp Head Brewery | New England IPA | 6.7% |
| Undertaker | Brewery Vivant | Belgian Dark Strong Ale | 5.0% |
| Undertone - Elephant Heart Plum | Casey Brewing And Blending | | 6.0% |
| Undertone: Perfection Apricot | Casey Brewing And Blending | | |
| Undertow | Griffin Claw | Saison | 8.0% |
| Undertow | Tired Hands | Saison | 6.8% |
| Underverse- Bourbon Barrel Aged | Masthead Brewing Company | American Imperial Stout | 11.0% |
| Underwater Ally | Drekker Brewing Co. | Imperial IPA | 8.1% |
| Underworld Barista - Salted Caramel | New Image Brewery | American Imperial Stout | 13.6% |
| Underworld Barista Pumpkin Spice | New Image Brewery | American Imperial Stout | 12.6% |
| Underworld Dreams | Modern Times | American IPA | 6.2% |
| Undressed | Alvinne Picobrouwerij | Flanders Oud Bruin | 6.9% |
| undressed megablend - barrel aged | Alvinne Picobrouwerij | Flanders Oud Bruin | 6.9% |
| Undrinkable | Buzzards Bay Brewing Inc. | Wild Ale | |
| Une autre s'il vous plaît | Brouwerij Anders | Belgian IPA | 7.0% |