List of colonial governors in 1820

This is a list of the governors of colonies, protectorates, or other dependencies in 1820. Where applicable, native rulers are also listed.

British Empire

• India – Francis Rawdon-Hastings, 1st Marquess of Hastings, Governor-General of India (1813–1823)
• Ionian Islands – Thomas Maitland, Lord High Commissioner (1816–1823)
• Ireland – Charles Chetwynd-Talbot, 2nd Earl Talbot, Lord Lieutenant of Ireland (1817–1821)
• Malta – Thomas Maitland, Governor of Malta (1813–1824)
• New South Wales – Major-General Lachlan Macquarie, Governor (1810–1821)

Portugal

• Angola – Manuel Vieira Tovar de Albuquerque, Governor of Angola (1819–1821)

Spanish Empire

• Viceroyalty of New Granada – Juan de la Cruz Mourgeón y Achet, nominal (1819–1821)
• Viceroyalty of New Spain – Juan Ruíz de Apodaca, conde de Venadito (1816–1821)
  • Captaincy General of Cuba – Juan Manuel Cajigal y Niño, Governor of Cuba (1819–1821)
  • Spanish East Indies – Mariano Fernández de Folgueras, Governor-General of the Philippines (1816–1822)
• Viceroyalty of Peru – Joaquín de la Pezuela y Sánchez, marqués de Viluma, Viceroy of Peru (1816–1821)