List of state leaders in the 18th century


;State leaders in the 17th century – State leaders in the 19th centuryState leaders by year
This is a list of state leaders in the 18th century AD, such as the heads of state and heads of government.
These polities are generally sovereign states, but excludes minor dependent territories, whose leaders can be found listed under territorial governors in the 18th century. For completeness, these lists can include colonies, protectorates, or other dependent territories that have since gained sovereignty.

Africa

Africa: Central

Angola
Cameroon
Central African Republic
Chad
Congo: Belgian
Congo: French
Equatorial Guinea
Gabon
São Tomé and Príncipe
Great Lakes area
Horn of Africa area
Indian Ocean
Libya
Tunisia
Egypt
Sudan
Algeria
Morocco
Botswana
Lesotho
Malawi
Mozambique
Namibia
South Africa
Swaziland
Zambia
Zimbabwe

Africa: West

Benin
Burkina Faso
Cape Verde
Gambia
Ghana
Guinea
Guinea-Bissau
Ivory Coast
Liberia
Mali
Mauritania
Niger
Nigeria
Senegal
Sierra Leone
Togo

Americas

Americas: North

Asia: Central

Kazakhstan
Tajikistan
Tibet
Uzbekistan
China: Qing dynasty
Japan
Korea
Brunei
Cambodia
Indonesia
Laos
Malaysia: Peninsular
Myanmar / Burma
Philippines
Thailand
Timor
Vietnam
Afghanistan
Bengal
Bhutan
India
Maldives
Nepal
Pakistan
Sri Lanka
Bahrain
Cyprus
Iran
Iraq
Israel
Jordan
Kuwait
Lebanon
Oman
Qatar
Saudi Arabia
Syria
Turkey
United Arab Emirates
Yemen

Europe: Balkans

Montenegro
Great Britain
Ireland
Holy Roman Empire in Germany
Bohemia, Hungary
Poland
Prussia
Austrian
Bavarian
Burgundian
Franconian
Electoral Rhenish
Lower Rhenish–Westphalian
Upper Rhenish
Lower Saxon
Upper Saxon
Swabian
Holy Roman Empire in Italy
Southern Italy

Europe: Southwest

Andorra
Portugal
Spain
Pitcairn
Wallis and Futuna