The Archdiocese of Pittsburgh and Western Pennsylvania is a diocese of the Orthodox Church in America (OCA).

The current bishop of Pittsburgh and Western Pennsylvania, Melchisedek (Pleska), was enthroned on June 27, 2009.

The previous Archbishop of Pittsburgh and Western Pennsylvania, Kyrill (Yonchev), died on June 17, 2007.

The deans coordinate activities in their area's parishes, and report to the diocesan bishop.

The current deaneries of the Diocese of Western Pennsylvania are: This Eastern Orthodox Christianity–related article is a stub.