Rüdiger Sagel 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 Gunhild Böth were elected in Münster as state spokespersons for the Left in North Rhine-Westphalia.

Lünen is a town with around 86,000 inhabitants in North Rhine-Westphalia, Germany. It is located north of Dortmund, on both banks of the River Lippe. It is the largest town of the Unna district and part of the Ruhr Area.