| Klassic | Kelmer's Brewhouse | American Pale Ale | |
| KlavereTien | Hobbybrouwerij Het Nest | Belgian Dark Ale | 10.0% |
| Kleveretien | Hobbybrouwerij Het Nest | Belgian Dark Strong Ale | 10.1% |
| Klickitat Pale Ale | Alameda Brewhouse | American Pale Ale | 5.0% |
| 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% |