| Intrinsic Duality No. 2 | Pipeworks Brewing Company | American Barleywine | 13.0% |
| Introspection | Deciduous Brewing Company | Russian Imperial Stout | 10.3% |
| Introvert Session IPA | Left Hand Brewing Company | American IPA | 4.8% |
| Introvertical | Transient Artisan Ales | Fruited Kettle Sour | 7.0% |
| Invasion | Speciation Artisan Ales | | 7.6% |
| Invasion Brettanique | Brasserie Dieu du Ciel | | 8.5% |
| Invasion Farmhouse IPA | Mikkeller | American IPA | 8.0% |
| Invasion IPA | Mikkeller/Anchorage | | |
| Invasion Pale Ale | Cigar City Brewing | | 5.0% |
| Invasive - Japanese Knotweed - DANSAERT | Brussels Beer Project | Lambic | 6.5% |
| Inventors Series Aztec Gold | Gizmo Brew Works | Russian Imperial Stout | 9.2% |
| Inverness | Schubros Brewery | Scotch Ale / Wee Heavy | 11.7% |
| Inverse Congratulations | Threes Brewing | American Pale Ale | 5.0% |
| Inversion IPA | Deschutes Brewery | American IPA | 6.8% |
| InvEster | Taxman Brewing Co. | Belgian Pale Strong Ale | 8.5% |