| Infusoria | Speciation Artisan Ales | Wild Ale | 8.9% |
| Ingefära | Gammelbacka Bryggeri | | 4.1% |
| ingle Origin Coffee Stout Guatemala Huehuetenango | Terrapin Beer Company | American Stout | 5.7% |
| Inglorious Quad | Brouwerij Anders | Belgian Dark Strong Ale | 10.3% |
| Inglorious quad | Inglorious Brew Stars | Quadrupel (Quad) | 10.3% |
| Inglorious Quad Whiskey Infused | Inglorious Brew Stars | | 11.0% |
| Ingrained #3 | Spindletap Brewery | English Barleywine | 14.0% |
| Ingwer Narrisch | Narrenfreiheit | | 4.6% |
| Inhabited Form | Cerebral Brewing | Helles | 5.6% |
| Inharmonic | Tired Hands | Wild Ale | |
| Inherent Weiss | Surly Brewing Co. | | |
| Inherited Silver | North Brewing Co. | | 6.0% |
| Inherited Wisdom | Westbound & Down | English Dark Mild Ale | 4.2% |
| Inicios Nuevos | Jolly Pumpkin Artisan Ales | Wild Ale | 5.7% |
| Iniquity Imperial Black Ale | Southern Tier Brewing Co | Black IPA | 9.0% |