The Klavier-Festival Ruhr (also Klavierfestival Ruhr) is an annual festival of piano music, which takes place in the area of the Ruhr in Germany. The festival runs from around the beginning of May for three months. The organizer of the festival is the Stiftung Klavier-Festival Ruhr, and the art leader is Franz Xaver Ohnesorg. The festival was founded in July 1988.