| Ironfoe | Bottle Logic | American Imperial Stout | 14.5% |
| Ironhead IPA | Revolver Brewing | English IPA | 6.5% |
| Ironhead Porter Old No. 3 | Flour City Brewing | American Porter | 6.0% |
| Ironhorse Chicago Common | Argus Bewery | California Common / Steam Beer | 5.4% |
| Ironhorse Not Brown | Railway Brewing | American Brown Ale | |
| Ironman Imperial Stout | Free State Brewing | | |
| Ironman Wheat | Southend Brewery and Smokehouse - Charleston | American Lager | |
| Ironside Best | English Ales Brewery | | |
| Ironwood Dark | Tied House Cafe & Brewery - San Jose | American Brown Ale | |
| Iroquois Pale Ale | Adirondack Brewery | American IPA | 7.0% |
| Irrationally Exuberant | Cape May Brewing Company | | |
| Irregardless IPA | Liquid Hero Brewery | American IPA | 6.5% |
| Irreverent Red IPA | Warped Wing Brewing Company | American Amber / Red Ale | 6.3% |
| Irvington Porter | Alameda Brewhouse | American Porter | |
| Is Radical Café | HopEra Microbrasserie & Pizzeria | American Imperial Stout | 10.0% |