Robert Piet Houwer (13 December 1937 – 4 July 2025) was a Dutch film producer. He studied at the University of Television and Film Munich, Germany. In 1964 he directed the short film Anmeldung (Declaration) which was awarded a Silver Bear at the Berlin Filmfest. During the 1960s, Rob Houwer became one of the most prolific producers in Germany, with directors Volker Schlöndorff (A Degree of Murder, Man on Horseback), Peter Fleischmann (Hunting Scenes from Bavaria), Johannes Schaaf (Tattoo), Michael Verhoeven (Up the Establishment, o.k.) and Hans-Jürgen Syberberg (Romy: Anatomy of a Face).