| Position: | Left wing |
| Shoots: | Left |
| Height Ft: | 5 |
| Height In: | 9 |
| Weight Lb: | 190 |
| Played For: | Detroit Red Wings |
| Birth Date: | 2 June 1912 |
| Birth Place: | Regina, Saskatchewan, Canada |
| Death Place: | Vancouver, British Columbia, Canada |
| Career Start: | 1935 |
| Career End: | 1942 |
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.
| Regular season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | League | GP | PIM | GP | G | A | Pts | PIM | |||||
| 1929–30 | Regina Olympics | RCJHL | 1 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||
| 1930–31 | Regina Pats | S-SJHL | 3 | 1 | 0 | 1 | 4 | — | — | — | — | — | ||
| 1930–31 | Regina Pats | M-Cup | — | — | — | — | — | 1 | 0 | 0 | 0 | 0 | ||
| 1931–32 | Regina Pats | S-SJHL | 4 | 1 | 0 | 1 | 0 | 2 | 3 | 0 | 3 | 0 | ||
| 1931–32 | Regina Pats | M-Cup | — | — | — | — | — | 4 | 1 | 0 | 1 | 9 | ||
| 1932–33 | Prince Albert Mintos | SSHL | 18 | 6 | 1 | 7 | 31 | — | — | — | — | — | ||
| 1932–33 | Prince Albert Mintos | Al-Cup | — | — | — | — | — | 3 | 1 | 0 | 1 | 6 | ||
| 1933–34 | Prince Albert Mintos | SSHL | 15 | 13 | 7 | 20 | 28 | 4 | 3 | 0 | 3 | 2 | ||
| 1933–34 | Prince Albert Mintos | Al-Cup | — | — | — | — | — | 2 | 1 | 0 | 1 | 0 | ||
| 1934–35 | Prince Albert Mintos | SSHL | 22 | 26 | 10 | 36 | 44 | — | — | — | — | — | ||
| 1935–36 | Detroit Olympics | IHL | 44 | 14 | 17 | 31 | 70 | 6 | 1 | 4 | 5 | 7 | ||
| 1936–37 | Detroit Red Wings | NHL | 4 | 0 | 0 | 0 | 2 | — | — | — | — | — | ||
| 1936–37 | Pittsburgh Hornets | IAHL | 43 | 14 | 15 | 29 | 18 | 5 | 2 | 2 | 4 | 14 | ||
| 1937–38 | Pittsburgh Hornets | IAHL | 42 | 18 | 19 | 37 | 28 | 2 | 0 | 3 | 3 | 0 | ||
| 1938–39 | Detroit Red Wings | NHL | 6 | 1 | 3 | 4 | 2 | 2 | 2 | 1 | 3 | 0 | ||
| 1938–39 | Pittsburgh Hornets | IAHL | 46 | 25 | 41 | 66 | 41 | — | — | — | — | — | ||
| 1939–40 | Detroit Red Wings | NHL | 17 | 5 | 1 | 6 | 2 | — | — | — | — | — | ||
| 1939–40 | Indianapolis Capitals | IAHL | 21 | 7 | 18 | 25 | 18 | — | — | — | — | — | ||
| 1939–40 | Cleveland Barons | IAHL | 18 | 6 | 7 | 13 | 8 | — | — | — | — | — | ||
| 1940–41 | Cleveland Barons | AHL | 53 | 15 | 15 | 30 | 46 | 9 | 1 | 5 | 6 | 10 | ||
| 1941–42 | Cleveland Barons | AHL | 49 | 13 | 14 | 27 | 15 | 1 | 1 | 0 | 1 | 0 | ||
| 1942–43 | Calgary Currie Army | CNDHL | 23 | 21 | 31 | 52 | 39 | 3 | 4 | 2 | 6 | 2 | ||
| 1942–43 | Calgary Currie Army | Al-Cup | — | — | — | — | — | 5 | 4 | 5 | 9 | 2 | ||
| IAHL/AHL totals | 272 | 98 | 129 | 227 | 174 | 17 | 4 | 10 | 14 | 24 | ||||
| NHL totals | 27 | 6 | 4 | 10 | 6 | 2 | 2 | 1 | 3 | 0 | ||||