| It's Alive! Mango (Chardonnay-Barrel Aged) | Mikkeller | | 8.0% |
| It's Alright | Mikkeller | Belgian Pale Ale | 4.5% |
| It's Complicated Being a Wizard | Burlington Beer Company | | |
| italian strong ale | Birrificio Toccalmatto | American Strong Ale | 10.0% |
| Itasca Extra Pale Ale | Rock Bottom Restaurant & Brewery - Minneapolis | English Pale Mild Ale | |
| Itasca Loonidragon | Clown Shoes | Russian Imperial Stout | 14.5% |
| Item Nine | Brash Brewing Company | American Strong Ale | 9.0% |
| Its Alive! (Rhubarb Edition) | Mikkeller | Wild Ale | 8.0% |
| IV Saison | Brasserie Jandrain-Jandrenouille | Saison | 6.5% |
| Ivan the Great | Brau Brothers Brewing Co. LLC | Russian Imperial Stout | 9.5% |
| Ivan the Terrible Imperial Stout | Big Sky Brewing | Russian Imperial Stout | 12.2% |
| Ivanhoe | Ridgeway Brewing | American Pale Ale | 5.2% |
| Ivar-Aasen öl | Kinn Bryggeri AS | American Barleywine | 10.5% |
| Ivar-Aasen øl | Kinn Bryggeri AS | English Barleywine | 10.5% |
| Iwate Kura Oyster Stout | Sekinoichi Shuzo | Russian Imperial Stout | 7.0% |