1973 religious leaders - Events of 1974 - 1975 religious leaders - Religious leaders by year

Christianity

Catholic churches

• Roman Catholic Church - Paul VI, Pope (1963-1978)

Eastern orthodox churches

• Constantinople - Demetrius I, Patriarch of Constantinople (1972-1991)
• Bulgaria - Maxim, Patriarch of All Bulgaria (1971-present)
• Greece - Seraphim, Archbishop of Athens and All Greece (1973-1998)
• Russia - Pimen I, Patriarch of Moscow and All Russia (1971-1990)
• Serbia - German, Patriarch of Serbia (1958-1990)

Oriental Orthodox Churches

• Armenian Apostolic Church - Vazgen I, Catholicos of Armenia (1955-1994)
• Assyrian Church of the East - Mar Dinkha IV (1976-present) Rival Patriarch in Baghdad Mar Addai II (1970-present)
• Coptic Orthodox Church - Shenouda III of Alexandria, Coptic Pope (1971-present)

Protestant

• Lutheran Church - Missouri Synod - President J. A. O. Preus (1969 - 1981)
• The Salvation Army- General Erik Wickberg ( 1st Swedish General) 1969 to July 5 1974

General Clarence Wiseman( 1st Canadian General) July 6 1974 to July 4 1977

Other Christian

• The Church of Jesus Christ of Latter-day Saints (LDS Church) - Spencer W. Kimball, President of The Church of Jesus Christ of Latter-day Saints (1973–1985)

Islam: Ismaili and Ahmadiyya

• Dawoodi Bohras - Syedna Mohammed Burhanuddin (1965-present)
• Nizari - Aga Khan IV (1957-present)

Eastern

• Tibetan Buddhism - Tenzin Gyatso, Dalai Lama (1935-present)
• Thailand's Buddhists - Ariyavangsagatayana, Supreme Patriarch of Thailand (1973-1988)