Major General Sir Robert Joseph Henry Risson, CB, CBE, DSO, ED (20 April 1901 – 19 July 1992) was an Australian engineer, soldier, and tramway administrator. After university he worked for the Brisbane Tramways Trust, later under the auspice of Brisbane City Council, as an engineer and administrator. During World War II Risson served in the Middle East and New Guinea. Following the war he returned to the Brisbane tramways, and became chairman of the Melbourne and Metropolitan Tramways Board from 1949 to 1970. In this position he defended trams, and is considered a major factor in the survival of Melbourne's tram system. Risson had ties with a myriad of professional and community organisations, including the Freemasons, where he served as Grand Master of the United Grand Lodge of Victoria i