Donald John Deacon (June 2, 1912 – December 25, 1943) was a Canadian ice hockey winger who played parts of three seasons for the Detroit Red Wings of the National Hockey League from 1936 to 1940.
On December 25, 1943, Deacon fell from his second floor balcony while having a Christmas party with family and friends. He was pronounced dead on impact. After analyzing Deacon's body, it was determined that Deacon fell on his head, fracturing his skull and killing him immediately. It was also reported that Deacon was intoxicated. His death was ruled as an accident. He was 31 years old.