| Position: | Right wing |
| Shoots: | Right |
| Height Ft: | 5 |
| Height In: | 10 |
| Weight Lb: | 165 |
| Played For: | Detroit Red Wings Boston Bruins |
| Birth Date: | 1916 6, mf=yes |
| Birth Place: | Toronto, Ontario, Canada |
| Death Place: | New Carlisle, Ohio, USA |
| Career Start: | 1938 |
| Career End: | 1946 |
Joseph William Jennings (June 28, 1916 – November 29, 1999) was a Canadian professional ice hockey player who played 108 games in the National Hockey League between 1941 and 1945. He played for the Detroit Red Wings and Boston Bruins. He was born in Toronto, Ontario.
| Regular season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | League | GP | PIM | GP | G | A | Pts | PIM | |||||
| 1933–34 | West Toronto Nationals | OHA | 12 | 2 | 2 | 4 | 12 | — | — | — | — | — | ||
| 1934–35 | West Toronto Nationals | OHA | 12 | 6 | 0 | 6 | 22 | — | — | — | — | — | ||
| 1935–36 | Toronto Dominion | TIHL | 9 | 5 | 2 | 7 | 18 | — | — | — | — | — | ||
| 1935–36 | West Toronto Nationals | OHA | 8 | 7 | 4 | 11 | 0 | 5 | 1 | 3 | 4 | 17 | ||
| 1935–36 | West Toronto Nationals | M-Cup | — | — | — | — | — | 12 | 9 | 5 | 14 | 19 | ||
| 1936–37 | Toronto Dominion | TIHL | 8 | 3 | 5 | 8 | 10 | 8 | 2 | 1 | 3 | 15 | ||
| 1936–37 | Toronto Dominion | Al-Cup | — | — | — | — | — | 3 | 1 | 0 | 1 | 4 | ||
| 1937–38 | Toronto Goodyears | TIHL | 14 | 9 | 8 | 17 | 16 | 4 | 0 | 0 | 0 | 2 | ||
| 1937–38 | Toronto Dominion | Al-Cup | — | — | — | — | — | 4 | 0 | 0 | 0 | 4 | ||
| 1938–39 | Earls Court Rangers | ENG | — | 18 | 12 | 30 | — | — | — | — | — | — | ||
| 1939–40 | Detroit Holzbaugh | MOHL | 35 | 24 | 20 | 44 | 38 | 11 | 6 | 1 | 7 | 29 | ||
| 1940–41 | Detroit Red Wings | NHL | 12 | 1 | 5 | 6 | 2 | 9 | 2 | 2 | 4 | 0 | ||
| 1940–41 | Indianapolis Capitals | AHL | 16 | 2 | 1 | 3 | 6 | — | — | — | — | — | ||
| 1941–42 | Detroit Red Wings | NHL | 16 | 2 | 1 | 3 | 6 | — | — | — | — | — | ||
| 1941–42 | Indianapolis Capitals | AHL | 34 | 9 | 25 | 34 | 10 | 10 | 4 | 2 | 6 | 4 | ||
| 1942–43 | Detroit Red Wings | NHL | 8 | 3 | 3 | 6 | 2 | — | — | — | — | — | ||
| 1942–43 | Indianapolis Capitals | AHL | 49 | 23 | 33 | 56 | 5 | 7 | 2 | 5 | 7 | 2 | ||
| 1943–44 | Detroit Red Wings | NHL | 33 | 6 | 11 | 17 | 10 | 4 | 0 | 0 | 0 | 0 | ||
| 1944–45 | Boston Bruins | NHL | 39 | 20 | 13 | 33 | 25 | 7 | 2 | 2 | 4 | 6 | ||
| 1944–45 | Indianapolis Capitals | AHL | 3 | 1 | 1 | 2 | 0 | — | — | — | — | — | ||
| 1945–46 | Hershey Bears | AHL | 37 | 17 | 14 | 31 | 12 | — | — | — | — | — | ||
| 1945–46 | St. Louis Flyers | AHL | 17 | 7 | 8 | 15 | 2 | — | — | — | — | — | ||
| AHL totals | 180 | 73 | 98 | 171 | 49 | 17 | 6 | 7 | 13 | 6 | ||||
| NHL totals | 108 | 32 | 33 | 65 | 45 | 20 | 4 | 4 | 8 | 6 | ||||