Saint John (Maximovitch) of Shanghai and San Francisco also John (Maximovitch) the Wonderworker (Serbian: Св. Јован Шангајски Russian: Иоанн Шанхайский и Сан Францисский) (1896–1966) was a prominent Eastern Orthodox ascetic and hierarch of the Russian Orthodox Church Outside of Russia (ROCOR) who was active in the mid-20th century.
