| Old Inventory | Valley Brewing Company | English Barleywine | 11.3% |
| Old IPA | Mills Brewing | | 7.4% |
| Old Izaak | Whim Ales | | |
| Old Jack | Niagara Falls Brewing | Old Ale | |
| Old Jackalope Barleywine | Tenaya Creek Restaurant and Brewery | American Barleywine | 10.4% |
| Old Jive Turkey | Voodoo Brewing Co.,LLC | Old Ale | 10.0% |
| Old Jock Ale | Broughton Ales | | |
| Old Jubilation Ale | Avery Brewing Company | American Strong Ale | 8.0% |
| Old Kentuckian | Po'Boy Brewery | Cream Ale | 5.0% |
| Old Kentucky Bastard | Nickel Brook Brewing | Russian Imperial Stout | 10.0% |
| Old Kentucky Stout | Great Dane Pub and Brewing | American Stout | |
| Old Knobby | East End Brewing Company | | |
| Old Knucklehead Barleywine | BridgePort Brewing | American Barleywine | 9.1% |
| Old Krogh Oatmeal Stout | Krogh's Restaurant and Brewpub | American Stout | |
| Old Leghumper | Thirsty Dog Brewing | American Porter | 6.7% |