Erwin Blask (March 20, 1910 – February 6, 1999) was a German athlete who competed mainly in the hammer throw event. He won the silver medal for Germany at the 1936 Summer Olympics.
Blask was born in Friedrichsheyde, East Prussia (today Gajrowskie, Poland)
At the 1936 Olympic Games in Berlin, Blask won the silver medal in the men's hammer throw competition behind his fellow German Karl Hein.
Blask finished second behind Karl Hein again in the hammer throw event at the British 1937 AAA Championships.