| 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% |
| Invictus | Flying Monkeys Brewing Co. | Russian Imperial Stout | 17.5% |
| Invictus | Flying Monkeys Craft Brewery | Russian Imperial Stout | 18.1% |
| Invictus (2016) | Flying Monkeys Brewing Co. | Russian Imperial Stout | 18.4% |
| Invictus Solera Aged Russian Imperial Stout | Flying Monkeys Craft Brewery | Russian Imperial Stout | 17.5% |
| Invidia | Zeven Zonden (Seven Sins) | | 10.0% |
| Invigorator Doppelbock | Tooth and Nail Brewing company | Doppelbock | 7.3% |
| Invincible Summer | Icarus Brewing Company | American Pale Ale | 6.0% |
| Invisible Art Black IPA | Adroit Theory | Black IPA | 10.1% |
| Invisible Dot | House of Fermentology | Wild Ale | 5.4% |