List of religious leaders in 1821

1820 religious leaders – Events of 1821 – 1822 religious leaders – Religious leaders by year

See also: List of state leaders in 1821

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Buddhism

• Tibetan Buddhism – Tsultrim Gyatso, Dalai Lama (1816–1837)

Christianity

• Church of England – Charles Manners-Sutton, Archbishop of Canterbury (1805–1828)
• Church of Sweden – Carl von Rosenstein, Archbishop of Uppsala (1819–1836)
• Coptic Orthodox Church – Peter VII, Coptic Pope (1810–1854)
• Maronite Catholic Church – John Helou, Maronite Patriarch (1808–1823)
• Roman Catholic Church – Pius VII, Pope (1800–1823)
• Sovereign Military Order of Malta – André Di Giovanni, Grand Master of the Order (1814–1821)
• Teutonic Knights – Anton Viktor of Austria, Grand Master of the Order (1804–1835)

Islam

• Ummah – Mahmud II, Caliph (1808–1839)