| Imperialis | Avery Brewing Company | American Imperial Stout | 12.7% |
| Imperialist | De Struise Brouwers | Belgian Pale Strong Ale | 8.5% |
| Imperialny Nafciarz | Brokreacja | | 10.0% |
| Imperialny Nafciarz BA | Brokreacja | | 10.0% |
| Imperialny Nafciarz Bunnahabhain BA | Brokreacja | | 11.6% |
| Imperialny Nafciarz Islay Blend BA | Brokreacja | | 11.1% |
| Imperium | OEC Brewing (Ordinem Ecentrici Coctores) | | |
| Imperium Prunum | Browar Kormoran | Baltic Porter | 11.1% |
| Imperium Russian Imperial Stout | Highland Brewing Company | American Stout | 8.5% |
| Impérius | Brasserie du Bas-Canada | American Imperial Stout | 10.5% |
| Impermanence | Tree House Brewing Company | | 9.0% |
| Impetus Noir | Pühaste Brewery | American Imperial Stout | 12.5% |
| Impey Barbicane's Moongun | Cigar City / Duclaw | American Amber / Red Ale | |
| Impfstoff - Überdosis | Munich Brew Mafia | | 8.5% |
| Implosion | Geneva Lakes Brewing Co. | Imperial IPA | 9.3% |