Klaus Guido Grutzka (February 9, 1923 – March 28, 2011) was a German-American artist whose paintings and commercial art were influenced by both precisionism and abstract expressionism. Grutzka became noted for his artistic works with industrial motifs. During World War II Grutzka served as an engineer on a German destroyer (which sank) and a U-boot submarine (which was captured). After the war he studied art at the in Kiel, Germany. In 1961 he and his second wife emigrated to the United States, where he spent much of his art career.