| Kasteel Winter | Castle Brewery | Belgian Dark Strong Ale | 11.0% |
| Kasteel Xtra | Brouwerij Vanhonsebrouck | Belgian Blonde Ale | 4.5% |
| Kasteelbier Cuvée Du Chateau 2016 | Brouwerij Vanhonsebrouck | | |
| Kasteelbier Cuvée Du Chateau 2018 | Brouwerij Vanhonsebrouck | | |
| Kasteelbier Donker | Brouwerij Vanhonsebrouck | Quadrupel (Quad) | 11.0% |
| Kasteelbier Rouge | Brouwerij Vanhonsebrouck | | |
| Kasteelbier Tripel | Brouwerij Vanhonsebrouck | Tripel | 11.0% |
| Kasztelan Unpasteurized (Niepasteryzowane) | Browar Kasztelan | European Pale Lager | 5.7% |
| Katabatic Anniversary Ale Bourbon Barrel Aged Scotch Ale | Katabatic Brewing Co. | Scotch Ale / Wee Heavy | 10.5% |
| Kataja Olut IVB | Lammin Sahti Oy | | 7.0% |
| Kate the Great | Bloody Chainsaw | | |
| Kate the Great | Holy City Brewing | Tripel | 8.8% |
| Kate The Great Russian Imperial Stout | Portsmouth Brewery | American Imperial Stout | 9.5% |
| Kathedral | Charles Towne Fermentory | Kölsch | 4.8% |
| Kathryn the Great | Ellison Brewery & Spirits | | 7.0% |