| In-Heat Wheat | Flying Dog Brewery | Hefeweizen | 4.7% |
| Incandenza | Hudson Valley Brewery | | 6.0% |
| Incantation | Anchorage Brewing Co | Wild Ale | 10.0% |
| Incantation | Floodland Brewing | | 7.7% |
| Incantations | Burlington Beer Company | American Imperial Stout | 11.0% |
| Incantations | Burlington Beer Company / RAR / Ma River Distillers collaboration | American Imperial Stout | 11.0% |
| Incarnation 2021 | Finback Brewery | American Imperial Stout | 13.0% |
| Inception | Blackberry Farm | | |
| Inceptus | Three Taverns Craft Beer | Wild Ale | 6.0% |
| Inceptus Blueberry | Three Taverns Craft Beer | Wild Ale | 6.0% |
| Incessant | Bell's Brewery, Inc. | | |
| Incinérateur | Brasserie Artisanale la Souche | English Porter | 6.0% |
| Incipient (Sweet/Tart Cherry Blend) | Speciation Artisan Ales | | 6.2% |
| Incipient - Black Currant | Speciation Artisan Ales | Wild Ale | 6.7% |
| Incipient - Blackberries | Speciation Artisan Ales | | |