1817 religious leaders - Events of 1818 - 1819 religious leaders - Religious leaders by year

See also: List of state leaders in 1818

Buddhism

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

Christianity

• Church of England - Charles Manners-Sutton, Archbishop of Canterbury (1805-1828)
• 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)