| Joseph A. Petrarca Sr. | |
| State House: | Pennsylvania |
| District: | 55th |
| Term Start: | 1973 |
| Term End: | 1994 |
| Successor: | Joseph A. Petrarca, Jr. |
| Birth Date: | December 20, 1928 |
| Birth Place: | Vandergrift, Pennsylvania |
| Death Place: | Vandergrift, Pennsylvania |
| Party: | Democratic |
| Spouse: | Madeline Petrarca |
| Children: | Joseph Petrarca, Jr., Kristen Petrarca |
Joseph A. Petrarca Sr. (December 20, 1928 – March 13, 1995) is a former Democratic member of the Pennsylvania House of Representatives.[1]