| John DeGruchy | |
| Birth Date: | 15 December 1860 |
| Birth Place: | London, UK |
| Death Place: | Toronto |
| Administrating Years1: | 1900–1935 |
| Administrating Team1: | Ontario Rugby Football Union |
| Administrating Years2: | 1925, 1930, 1935 |
| Administrating Team2: | Canadian Rugby Union |
| Cfhof: | john-degruchy |
| Cfhofyear: | 1963 |
John DeGruchy (December 15, 1860January 23, 1940) was the president of the Ontario Rugby Football Union for 25 years, and he promoted the Thanksgiving Day Classic between the Sarnia Imperials and the Toronto Balmy Beach Beachers. He was inducted into the Canadian Football Hall of Fame in 1963 and into the Canada's Sports Hall of Fame in 1975.