| A. J. DeMedio | |
| State House: | Pennsylvania |
| District: | 49th |
| Term Start: | 1969 |
| Term End: | 1982 |
| Predecessor: | District created |
| Successor: | Peter Daley |
| State House2: | Pennsylvania |
| District2: | Washington County |
| Term Start2: | 1967 |
| Term End2: | 1968 |
| Birth Date: | 25 March 1916[1] |
| Birth Place: | Donora, Pennsylvania, United States[2] |
| Death Place: | Donora, Pennsylvania, United States |
| Party: | Democratic |
A. J. DeMedio (March 25, 1916 – May 15, 1997) was a Democratic member of the Pennsylvania House of Representatives and an attorney. He was elected in 1966[3] and served a total of 8 consecutive terms before retiring in 1982.[4]
DeMedio was a World War II veteran, serving in the United States Army from 1942 to 1946.[5]