"Ruins" is a 1974 instrumental composed by Fred Frith for the English avant-rock group Henry Cow. It was recorded in February and March 1974 by Henry Cow, and released on their May 1974 album, Unrest by Virgin Records. A jazz interpretation of "Ruins" was recorded by the with spoken texts by John Greaves and released on their 2019 album, Echoes of Henry Cow.