Helmut Hediger (Klosterneuburg, 3 May 1945) is an Austrian sprint canoeist who competed in the late 1960s and early 1970s. He won a silver medal in the K-4 1000 m event at the 1966 ICF Canoe Sprint World Championships in East Berlin.
Hediger also competed in two Summer Olympics, earning his best finish of seventh twice (K-2 1000 m: 1972, K-4 1000 m: 1968).