List of colonial governors in 1806

Denmark

*Danish West Indies - Baltharzar Frederik Mühlenfels, Governor-General of the Danish West Indies (1802-1807)
*Iceland -
#Ólafur Stefánsson, Governor of Iceland (1790-1806)
#Fredrik Christopher, Governor of Iceland (1806-1809)
*North Greenland - Peter Hanning Motzfeldt, Inspector of North Greenland (1803-1817)
*South Greenland - Marcus Nissen Myhlenphort, Inspector of South Greenland (1802-1821)

France

*French Guiana - Jean Baptiste Victor Hugues, Governor of French Guiana (1800-1808)
*Guadeloupe - Manuel Louis Jean Augustin Ernouf, Captain-General of Guadeloupe (1803-1810)
*Martinique - Louis Thomas Villaret de Joyeuse, Governor of Martinique (1802-1809)

The Netherlands

*Aruba - Occupied by British (1805-1816)
*Dutch Guiana - Occupied by British (1804-1816)

Ottoman Empire

* Abkhazia -
# Kelesh Begi, Prince of Abkhazia (1789-1806)
# Arslan Begi, Prince of Abkhazia (1806-1810)

Portugal

* Angola -
# Fernão António de Noronha, Governor of Angola (1802-1806)
# "Temporarily vacant (1806-1807)"
*Brazil -
#Fernando José de Portugal e Castro, Viceroy of Brazil (1801-1806)
#Marcos de Noronha e Brito, Viceroy of Brazil (1806-1808)
* Macau -
# Caetano de Sousa Pereira, Governor of Macau (1803-1806)
# Bernardo Aleixo de Lemos e Faria, Governor of Macau (1806-1808)

Spain

*La Plata - Rafael de Sobremonte Núñez Castillo Angulo y Bullón Ramírez de Arellano, Viceroy of La Plata (1804-1807)
*New Granada - Antonio José de Amar y Borbón Arguedas y Vallejo de Santacruz, Viceroy of New Granada (1803-1810)
*New Spain - José de Iturrigaray y Aréstegui, Viceroy of New Spain (1803-1808)
*Peru -
#Gabriel de Avilés y del Fierro, Viceroy of Peru (1801-1806)
#José Fernando Abascal y Sousa, Viceroy of Peru (1806-1816)

=United Kingdom=

* New South Wales -
#Philip Gidley King, Governor of New South Wales (1800-1806)
#William Bligh, Governor of New South Wales (1806-1808).
*Canada - Robert Prescott, Governor-in-Chief of the Canadas, New Brunswick, and Nova Scotia (1796-1814)
*Cape Breton Island - John Despard, Lieutenant Governor of Cape Breton Island (1800-1807)
*Newfoundland - Sir Erasmus Gower, Commodore-Governor of Newfoundland (1804-1806)
*Prince Edward Island - Joseph Frederick Wallet DesBarres, Governor of Prince Edward Island, (1804-1812)