List of elections in 1820

Europe

• 1820 French legislative election
• 1820 Portuguese legislative election
• Spanish general election, 1820
• 1820 United Kingdom general election

  North America

United States

• 1820 Missouri gubernatorial election
• 1820 New York gubernatorial election
• 1820 and 1821 United States House of Representatives elections
• 1820 United States presidential election
• United States Senate election in New York, 1819/1820
• 1820 and 1821 United States Senate elections