| Iron Joe | Rahr & Sons Brewing Company | Scotch Ale / Wee Heavy | 8.0% |
| Iron Lady | Wicked Weed | Black IPA | 9.5% |
| Iron Lion | Stone City Ales | Foreign / Export Stout | 8.7% |
| Iron Maiden Trooper | Frederic Robinson Ltd. | Extra Special / Strong Bitter (ESB) | 4.7% |
| Iron Maiden Trooper | robinsons family brewers | Extra Special / Strong Bitter (ESB) | 4.7% |
| Iron Mike Pale Ale | Moat Mountain Smoke House & Brewing Co | American Pale Ale | 5.6% |
| Iron Mine Pale Ale | Top of the Hill Restaurant and Brewery | American Pale Ale | |
| Iron O'Rourke's God Of Fear Stout | Cigar City Brewing | | |
| Iron Orchid | Fifth Hammer Brewing | American Imperial Stout | 12.5% |
| Iron Rail IPA | Wedge Brewery | English IPA | 7.2% |
| Iron Range Amber Lager | James Page Brewing | American Lager | |
| Iron Rat - Bourbon Barrel Aged 2 Years | Tampa Bay Brewing | | |
| Iron Red Ale | Jasper Ridge Brewery | American Amber / Red Ale | |
| Iron Skies | Brouwerij Frontaal | Russian Imperial Stout | 10.5% |
| Iron Spike Blonde Ale | Railway City Brewing | American Blonde Ale | 4.3% |