| Inertia (Waffle Cone, Salted Caramel, Vanilla & Milk Sugar) | Burlington Beer Company | American Imperial Stout | 8.0% |
| Inertia II | Brassneck Brewery | American Imperial Stout | 11.5% |
| Ineveitably it ends | Floodland Brewing | | 6.1% |
| Inevit | Side Project | Wild Ale | 7.0% |
| Inevit | Side Project / Jester King | | |
| Inevitably it Ends | Floodland Brewing | Wild Ale | |
| Inexplicably Used Umlaut | SingleCut Beersmiths | | 6.1% |
| Infamy 2403 | Able Baker | Imperial Porter | 12.7% |
| Infectious Groove | O'so Brewing Company | Wild Ale | 5.0% |
| inferno | Oakham Ales | English Pale Ale | 4.4% |
| Inferno | Pellicle Vergistingen | | |
| Inferno Ale | The Lost Abbey | Belgian Pale Strong Ale | 9.0% |
| Inferno IPA | HaandBryggeriet | Imperial IPA | 10.0% |
| Infidel | The Libertine Brewing Company | Wild Ale | 6.5% |
| Infidel | Selkirk Abbey Brewing Co | | |