Arne Alf Robert Robertsson (23 March 1942 – 29 January 1991) was a Swedish heavyweight wrestler who won a bronze medal in Greco-Roman wrestling at the 1977 World Championships. He competed at the 1964 and 1968 Olympics in freestyle and at the 1976 Games in Greco-Roman wrestling, but was eliminated after two rounds on all occasions. At the European championships Robertsson won a silver medal in Greco-Roman and freestyle wrestling each.