| Klingon Warnog | Federation Brewery | Dunkelweizen | 5.5% |
| Klingon Warnog Roggen Dunkel Ale | Garrison Brewing Company | Dunkelweizen | 5.5% |
| Klisch | Lakefront Brewery | | |
| Klitnisse | Skagen Bryghus | Munich Dunkel | 6.7% |
| Kloeke Blonde | De Struise Brouwers | Belgian Pale Strong Ale | 6.0% |
| Klophop - Blond | VandeStreek Bier | Belgian Blonde Ale | 5.3% |
| 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 | |
| KLR 93 | Whitewater Brewing Co | Kölsch | 4.6% |
| Kludde on Wood | FiftyFifty Brewing Co. | Belgian Dark Strong Ale | 10.9% |
| Kludge on Wood | FiftyFifty Brewing Co. | Belgian Dark Strong Ale | 10.9% |
| Klute | Williams Brothers Brewing Company | American IPA | |
| The Kneads of the Bread Outweigh the Needs of the Few | MobCraft Beer | American Imperial Stout | 8.3% |