1940 religious leaders - Events of 1941 - 1942 religious leaders - Religious leaders by year

Christianity

Catholic

• Roman Catholic Church - Pope Pius XII (1939-1958)

Catholic not in communion with Rome

• Polish National Catholic Church - First Prime Bishop Franciszek Hodur: Founder presided as Prime Bishop from (1924-1946)

Assyrian Christianity

• Assyrian Church of the East-Assyrian Patriarch in Qochanis Mar Eshai Shimun XXIII (1920-1975)

Protestant and offshoots

• Church of England - Archbishop of Canterbury Cosmo Lang(1928-1942)
• Church of Sweden - Archbishop of Uppsala - Erling Eidem(1931–1950)
• Lutheran Church - Missouri Synod - President John W. Behnken (1935 - 1962)
• The Salvation Army - General George Carpenter (1939-1946)
• New Apostolic Church - Johann Gottfried Bischoff, Chief Apostle (1930-1960)

Other Christian

• The Church of Jesus Christ of Latter-day Saints (LDS Church) - Heber J. Grant, President of The Church of Jesus Christ of Latter-day Saints (1918 - 1945)
• Reorganized Church of Jesus Christ of Latter Day Saints (now called Community of Christ) - Frederick Madison Smith (1914–1946)

Judaism

• Chief rabbi of British Mandate of Palestine
  • Ashkenazi-Yitzhak HaLevi Herzog(1936-1948)
• Chief rabbi of the British Empire- Joseph H. Hertz(1913 to his death in January 14, 1946)

Islam and its offshoots

Ismaili

• Nizari - Aga Khan III (1885-1957)
• Dawoodi Bohras - Syedna Taher Saifuddin (1915-1965)

Ahmadiyya

• Ahmadiyya Muslim Community-Khalifatul Masih II Hazrat Mirza Bashiruddin Mahmood Ahmad (1914-1965)
• Lahore Ahmadiyya Movement-Maulana Muhammad Ali(Amir 1914-1951)

Buddhism

• Tibetan Buddhism - Fourteenth Dalai Lama Tenzin Gyatso (Officially 1935-present, but not discovered until 1937. See explanation at Dalai Lama)