List of elections in 1966

• 1966 Danish parliamentary election
• 1966 Fianna Fáil leadership election
• 1966 Finnish parliamentary election
• 1966 Gambian general election
• 1966 Guatemalan general election
• 1966 Maltese general election
• 1966 Salvadoran legislative election
• 1966 South African general election

  Africa

• Gambian general election
• Kenyan parliamentary by-elections
• Mauritanian presidential election
• South African general election

  Asia

• Cambodian general election
• Indian Rajya Sabha elections
• Mongolian legislative election
• Singaporean by-elections
• South Vietnamese Constitutional Assembly election
• Soviet Union legislative election
• Turkish Senate election
• 1966 Taiwan presidential election

  Australia

• 1966 Australian federal election
• Kooyong by-election
• Dawson by-election
• Queensland state election

  Europe

• Albanian parliamentary election
• Bulgarian parliamentary election
• Danish general election
• Danish regional elections
• Faroese general election
• Fianna Fáil leadership election
• Finnish parliamentary election
• 1966 Irish presidential election
• Liechtenstein general election
• 1966 Maltese general election
• 1966 Soviet Union legislative election
• United Kingdom general election

  Austria

• 1966 Austrian legislative election

  Germany

• 1966 Hamburg state election
• 1966 North Rhine-Westphalia state election
• 1966 Hesse state election
• 1966 Bavarian state election

  United Kingdom

• 1966 United Kingdom general election
• * 1966 Carmarthen by-election
• * 1966 Kingston upon Hull North by-election
• List of MPs elected in the 1966 United Kingdom general election

  North America

Canada

• 1966 British Columbia general election
• 1966 Edmonton municipal election
• 1966 Manitoba general election
• 1966 Newfoundland general election
• 1966 Ottawa municipal election
• 1966 Prince Edward Island general election
• 1966 Quebec general election
• 1966 Toronto municipal election

  Caribbean

• 1966 Barbadian general election
• Dominican general election
• Dominican Republic general election
• Montserratian general election
• Saint Kitts-Nevis-Anguilla general election
• 1966 Trinidad and Tobago general election
• Saint Vincent and the Grenadines: general election

  United States

• 1966 United States Senate elections
• 1966 Arkansas gubernatorial election
• United States House of Representatives elections in California, 1966
• 1966 California gubernatorial election
• 1966 Maine gubernatorial election
• 1966 Minnesota gubernatorial election
• United States House of Representatives elections in South Carolina, 1966
• 1966 South Carolina gubernatorial election
• 1966 United States House of Representatives elections

  United States gubernatorial

• 1966 Oregon gubernatorial election

  Arkansas

• 1966 Arkansas gubernatorial election

  Illinois

• United States Senate election in Illinois, 1966

  Maryland

• 1966 Maryland gubernatorial election

  Massachusetts

• 1966 Massachusetts gubernatorial election
• United States Senate election in Massachusetts, 1966

  Oregon

• 1966 Oregon gubernatorial election

  United States Senate

• 1966 United States Senate elections
• * in Illinois
• * in Massachusetts
• * in South Carolina
• * special election in South Carolina

  South America

• Bolivian general election
• Brazilian legislative election
• Brazilian presidential election
• Colombian presidential election
• Ecuadorian Constitutional Assembly election
• Uruguayan general election

  Oceania

• 1966 Fijian general election
• 1966 New Zealand general election