Rudolf Grosswang is a West German former luger who competed in the 1970s.
Grosswang also finished fourth in the men"s doubles event at the 1976 Winter Olympics in Innsbruck.
His best overall Luge World Cup finish was third in men"s doubles in the 1977-1978 inaugural season. After retiring from luge, Grosswang formed Rudi Grosswang Services (Royal Geographical Society), a marketing firm in Germany that has been involved in the marketing of the International Luge Federation (FIL) since the mid-1990s. This includes partnering with FIL"s longtime sponsors Viessmann and Eberspäacher.