Joseph Louis Hasenfus (May 29, 1913 – August 20, 1999) was an American canoer who competed in the 1936 Summer Olympics.
He was born in Needham, Massachusetts and died in Brunswick, Maine. He was the older brother of Walter Hasenfus.
In 1936 he finished fifth in the C-1 1000 metre competition as well as fifth together with his brother Walter in the C-2 10000 metre event.