Joseph A. Petrarca (b. April 2, 1961) is a Democratic member of the Pennsylvania House of Representatives, representing District 55. He was first elected to the chamber in 1994.

Petrarca earned his bachelor's degree from Saint Vincent's College and his J.D. from the University of Pittsburgh School of Law. His professional experience includes working as Deputy Attorney General for the Pennsylvania Western Regional Office and as an attorney for the United States Department of Labor.

• Bachelor's, Saint Vincent College
• JD, School of Law, University of Pittsburgh

• Bachelor's, Saint Vincent College
• JD, School of Law, University of Pittsburgh
• Former Deputy Attorney General, Pennsylvania Western Regional Office
• Former Attorney, United States Department of Labor

• Bachelor's, Saint Vincent College
• JD, School of Law, University of Pittsburgh
• Former Deputy Attorney General, Pennsylvania Western Regional Office
• Former Attorney, United States Department of Labor
• Representative, Commonwealth of Pennsylvania House of Representatives, 1994-present
• Candidate, Commonwealth of Pennsylvania House of Representatives, District 55, 2018, 2020

• Bachelor's, Saint Vincent College
• JD, School of Law, University of Pittsburgh
• Former Deputy Attorney General, Pennsylvania Western Regional Office
• Former Attorney, United States Department of Labor
• Representative, Commonwealth of Pennsylvania House of Representatives, 1994-present
• Candidate, Commonwealth of Pennsylvania House of Representatives, District 55, 2018, 2020
• Board Member, Alle-Kiski Revitalization Corporation, present
• Representative, Organ Donation Advisory Board, present
• Board Member, Pennsylvania Commission on Crime and Delinquency, present
• Former Member, Saint Vincent College Alumni Council
• Former Member, Transportation Committee, National Conference of State Legislatures