Ruthenian Catholic Eparchy of the Holy Protection of Mary of Phoenix

The Holy Protection of Mary Byzantine Catholic Eparchy of Phoenix, commonly known as the Eparchy of Phoenix and formerly known as the Byzantine Catholic Eparchy of Van Nuys, (Latin: Eparchia Vannaisensis) is a Ruthenian Greek Catholic Church territory jurisdiction or eparchy of the Catholic Church in the western United States. Its episcopal see is Phoenix, Arizona. The eparch as of 28 January 2025 is Artur Bubnevych.

The Eparchy of Phoenix's territorial jurisdiction consists of thirteen western states. Churches are presently located in the states of Alaska, Arizona, California, Colorado, Nevada, New Mexico, Oregon, and Washington. It is a suffragan eparchy in the ecclesiastical province of the metropolitan Archeparchy of Pittsburgh. As of 2019, Holy Protection Eparchy of Phoenix has 19 parishes and 2 missions under its canonical jurisdiction. Most parishes follow the Ruthenian recension, although the eparchy includes one parish of the Italo-Albanian Catholic Church and one of the Russian Greek Catholic Church.