| Jack Piana | |
| Height Ft: | 6 |
| Height In: | 2 |
| Weight Lb: | 190 |
| Birth Date: | 6 August 1918 |
| Birth Place: | Detroit, Michigan |
| Death Place: | Grosse Pointe Woods, Michigan |
| Nationality: | American |
| High School: | St. Anthony (Detroit, Michigan) |
| College: | Detroit Mercy (1936–1940) |
| Career Start: | 1941 |
| Career End: | 1947 |
| Career Position: | Forward |
| Years1: | 1941 |
| Team1: | Detroit Eagles |
| Years2: | 1941–1942 |
| Team2: | Detroit AAA |
| Years3: | 1946–1947 |
| Team3: | Detroit Mansfields |
John Richard Piana (August 6, 1918 – July 10, 2001) was an American professional basketball player.[1] He played for the Detroit Eagles in the National Basketball League for two games during the 1940–41 season – one in the regular season, and one in the postseason.[1] [2] [3] He played college basketball at the University of Detroit Mercy.[2]