"Foggy Mountain Breakdown" is a bluegrass music instrumental written by Earl Scruggs and first recorded in 1949 by the bluegrass artists Flatt and Scruggs and the Foggy Mountain Boys. It is a standard in the bluegrass repertoire. The 1949 recording features Scruggs playing a Gibson Granada five-string banjo. In 2004, it was one of 50 recordings chosen that year by the Library of Congress to be added to the National Recording Registry.