| Personal information | |
|---|---|
| Born | November 2, 1951 Wilmington, Delaware, U.S. |
| Died | January 23, 2019 (aged 67) |
| Alma mater | University of Florida |
| Years active | c. 1959–c. 1977 |
| Sport | |
| Sport | Swimming |
| College team | Florida Gators |
John "Gary" Chelosky (November 2, 1951 – January 23, 2019) was an American competitive swimmer. He was inducted into the Delaware Sports Museum and Hall of Fame in 2024.