1783 state leaders - Events of 1784 - 1785 state leaders - State leaders by year
Asia
- Afghanistan - Timur Shah, King of Afghanistan (1772-1793)
- China (Qing Dynasty) - Qianlong, Emperor of China (1735-1796)
- Japan
- Monarch - Kokaku, Emperor of Japan (1780-1817)
- Shogun (Tokugawa) - Tokugawa Ieharu, Shogun of Japan (1760-1786)
Europe
- Andorra - Coprinces:
- Bishop of Urgell -
- Temporarily vacant (1783-1785)
- Louis XVI, King of France (1774-1792)
- Bishop of Urgell -
- Denmark
- Monarch - Christian VII, King of Denmark (1766-1808)
- Prime Minister -
- France - Louis XVI, King of France (1774-1792)
- Great Britain - George III, King of Great Britain (1760-1800/1820)
- Ireland - George III, King of Ireland (1760-1800/1820)
- Russia - Catherine II, Tsaritsa of Russia (1762-1796)
- Sweden - Absolutism
- Monarch - Gustav III, King of Sweden (1771-1792)
Middle East
- Abu Dhabi - Dhiyab bin Isa, Shaikh of Abu Dhabi (1761-1793)