| Klingon Warnog | Federation Brewery | Dunkelweizen | 5.5% |
| Klisch | Lakefront Brewery | | |
| Klitnisse | Skagen Bryghus | Munich Dunkel | 6.7% |
| Kloeke Blonde | De Struise Brouwers | Belgian Pale Strong Ale | 6.0% |
| Kloster | Slottskällans Bryggeri | Quadrupel (Quad) | 9.0% |
| Kloster Dunkel | Ettaler Klosterbetriebe Abteilung Brauerei & Destillerie | | |
| Kloster Edel-Hell | Ettaler Klosterbetriebe Abteilung Brauerei & Destillerie | | |
| Klout | Kelmer's Brewhouse | American Stout | |
| Kludde on Wood | FiftyFifty Brewing Co. | Belgian Dark Strong Ale | 10.9% |
| Kludge on Wood | FiftyFifty Brewing Co. | Belgian Dark Strong Ale | 10.9% |
| Knight Weisse | Night Shift Brewing | Berliner Weisse | 6.6% |
| Knights of the Barleywine | Swamp Head Brewery | English Barleywine | 9.6% |
| Knights on Mastodons | Pike 51 Brewing Co | | 7.9% |
| Knock Out | Sabmiller India, | American Lager | 8.0% |
| Knockadoon Irish Ale | Green Mill Brewing - Saint Paul | | |