John Stock (July 5, 1918 – June 29, 1972) was a bishop of the Catholic Church in the United States.
He served as the Auxiliary Bishop of Ukrainian Catholic Archeparchy of Philadelphia from 1971 to 1972.
Born in St. Clair, Pennsylvania, Stock was ordained a priest for the Archeparchy of Philadelphia on December 4, 1943.
The principal co-consecrators were Bishops Jaroslav Gabro of Chicago and Michael Dudick of the Byzantine Catholic Eparchy of Passaic.
This article about a Ukrainian Greek Catholic bishop is a stub.