| Incorrigible | New Holland Brewing Company | | 4.9% |
| Incorrigible Reserve | New Holland Brewing Company | | 4.5% |
| Incredible Machine | Tree House Brewing Company | Imperial IPA | 8.8% |
| Incredible Pale Ale | stadin panimo | American Pale Ale | 5.5% |
| Incubus | Sly Fox Brewing Company | Tripel | 10.3% |
| Inculpatory Hazy Tropical IPA | Figleaf Brewing Company | American IPA | 9.9% |
| Incurable Optimist | Smog City Brewing Company | | |
| Indacouch | Modist Brewing Co. | Imperial IPA | 8.5% |
| Indeed | Zephyr Homebrew | | 14.5% |
| Independence Session IPA | Backstreet Brew | | 3.8% |
| Independence Ale | Brewpub-on-the-Green | American Pale Ale | 6.7% |
| Independence Ale | Kelmer's Brewhouse | American Pale Ale | |
| Independence Day 2012 | Innis & Gunn | | |
| The Independent | Tafts Ale House | American Strong Ale | 8.7% |
| Index Out Of Bounds Mulato Edition | Nerdbrewing | Russian Imperial Stout | 11.6% |