Stapel may refer to: Huub Stapel (born 1954) is a Dutch actor. Diederik Stapel (born 1966) is a Dutch former professor of social psychology at Tilburg University. Wilhelm Stapel (1882-1954) was the German editor of the antisemitic magazine Deutsches Volkstum. Stapel, Schleswig-Holstein, a municipality in Schleswig-Holstein, Germany