The Blue Knights Drum and Bugle Corps are a World Class (formerly Division I) drum and bugle corps based in Denver, Colorado and founded in 1958, and are a member corps of Drum Corps International. They are known throughout the circuit for their moving interpretations of classical music, use of choreography and colorful hand-painted flags. The Blue Knights administer a competitive drum corps that annually tours and competes throughout the country. The corps is a thirteen-time DCI finalist, with their highest finish being sixth in 2000 and seventh in 1994,1999 and 2006, having fallen out of the finals only four times since they first made the Top Twelve in 1991. The organization also fields an indoor percussion ensemble, winter brass ensemble and a winter guard unit, Opus 10, which competes on the Rocky Mountain Percussion Association and Winter Guard International circuits. The Blue Knights also organize the professional performing percussion group, Stampede, which performs at Denver Broncos football games.

The corps director is Mark Arnold.