This is a list of the leaders of autonomous states in the 19th century (1801–1900) AD, such as the heads of state and heads of government.
These polities are generally sovereign states, including states with limited recognition, but excludes minor dependent territories, whose leaders can be found listed under territorial governors in the 19th century. For completeness, these lists can include colonies, protectorates, or other dependent territories that have since gained sovereignty.
Greater Antilles: Hispaniola
Mexico
(1863–1864)
United States
China
Japan
Korea
Bulgaria
Greece
Montenegro
Serbia
Austria
Germany
Liechtenstein
Switzerland
Andorra
Portugal
Spain
Belgium
France
Luxembourg
Monaco
Netherlands
Society Islands
Friendly Islands
Pitcairn
Wallis and Futuna