Rüdiger Sagel (born 9 August 1955 in Lünen) is a German politician currently with the Left Party and previously with the Alliance '90/The Greens. From 1998 until 2012 he was a member of the state parliament (Landtag) for North Rhine-Westphalia. On 30 June 2012 he and were elected in Münster as state spokespersons for the Left in North Rhine-Westphalia.