List of colonial governors in 1791

Portugal

 * Angola – Manuel de Almeida e Vasconcelos, Governor of Angola (1790–1797)
 * Macau – D. Vasco Luis Carneiro de Sousa e Faro, Governor of Macau (1790–1793)

Kingdom of Great Britain

 * Upper Canada – John Graves Simcoe (1791–1796)
 * Jamaica –
 * Thomas Howard, 3rd Earl of Effingham, Governor of Jamaica (1790–1791)
 * Adam Williamson, Acting Governor of Jamaica (1791–1795)
 * New South Wales – Arthur Phillip, Governor of New South Wales (1788–1792)