| John Calhoun | |
| Full Name: | John Collier Calhoun |
| Birth Date: | 19 May 1925 |
| Birth Place: | Decatur, Illinois, U.S. |
| Sport: | Diving |
John Collier Calhoun (May 19, 1925 - August 27, 2010) was an American diver. He competed in the men's 10 metre platform event at the 1952 Summer Olympics.[1]