Robert Simon may refer to:Robert Simón, Spanish footballer Robert Simon (biker) (1951–1999), American criminal, Philly Warlocks MC founding member and multiple murderer Robert Simon (guitarist), British musician with Ultravox, Magazine, and Visage Robert A. Simon (1897–1981), American writer, translator, and music critic Robert B. Simon, American art dealer who discovered Leonardo da Vinci's Salvator Mundi Robert E. Simon (1914–2015), American real estate and business developer who designed a planned community in Reston, Virginia Robert F. Simon (1908–1992), American actor Robert Simon Jr., American murderer convicted of the Parker family murders