Giovanni Graber (born 26 March 1939 in Valdaora) was an Italian luger who competed during the 1950s and the 1960s.
He won a medal in the men's doubles event at the FIL World Luge Championships with a gold in 1962.
Graber competed in two Winter Olympics in the men's doubles event, finishing tied for fifth in 1964 and eighth in 1968.