René Cattarinussi (born April 12, 1972 in Tolmezzo) is an Italian former biathlete. At the World Championship 1996 in Ruhpolding he took a bronze medal in the sprint event, the following year at the World Championship 1997 in Osrblie he won a silver medal in the sprint event and bronze in the relay. He also has a bronze and a silver medal from the sprint distance in the World Championship 2000 in Oslo and from the World Championship 2001 in Pokljuka. Cattarinussi retired as a biathlete in 2003