List of annulled elections

This is a list of political elections that had their results cancelled or decertified after they were held, sometimes legally, sometimes following a coup or revolution. Partial cancellations (one or some districts) are omitted.

20th century

 * 1918 Estonian Constituent Assembly election
 * May 1925 Bolivian general election (won by José Gabino Villanueva)
 * 1930 Brazilian general election (won by Júlio Prestes, followed by Brazilian Revolution of 1930)
 * 1931 Ecuadorian presidential election (won by Neptalí Bonifaz Ascásubi)
 * 1934 Bolivian general election (won by Franz Tamayo)
 * 1936 Peruvian presidential election (won by Luis Antonio Eguiguren)
 * 1948 Costa Rican general election (won by Otilio Ulate Blanco, followed by Costa Rican Civil War)
 * 1957 Guatemalan general election (won by Miguel Ortiz Passarelli)
 * 1958 Cuban presidential election (won by Andrés Rivero Agüero, followed by Cuban Revolution)
 * 1960 Iranian legislative election
 * 1962 Argentine legislative election (annulled by a coup 10 days later)
 * 1962 Peruvian general election (won by Víctor Raúl Haya de la Torre)
 * 1967 Sierra Leonean general election (Siaka Stevens took the oath of office as prime minister but was overthrown the same day)
 * May 1968 Dahomeyan presidential election (won by Basile Adjou Moumouni)
 * 1970 Dahomeyan presidential election (won by Justin Ahomadegbé)
 * 1970 Lesotho general election (won by the Basotho Congress Party)
 * 1978 Bolivian general election
 * 1982 Guatemalan general election (won by Ángel Aníbal Guevara, followed by a coup d'état)
 * 1986 Philippine presidential election (won by Ferdinand Marcos, followed by the People Power Revolution)
 * 1989 Panamanian general election (won by Guillermo Endara, nullified before voting was complete, followed by United States invasion of Panama)
 * 1990 Burmese general election (won by the National League for Democracy)
 * 1991 Algerian legislative election (won by the Islamic Salvation Front, followed by Algerian Civil War)
 * 1992 Central African general election
 * 1993 Nigerian presidential election (won by Moshood Kashimawo Olawale Abiola)
 * April 1997 Malian parliamentary election
 * 2000 Peruvian general election

21st century

 * 2003 Georgian legislative election (followed by Rose Revolution)
 * September 2003 Papua New Guinea vice-regal election (parliamentary vote won by Sir Albert Kipalan)
 * December 2003 Papua New Guinea vice-regal election (parliamentary vote won by Sir Pato Kakaraya)
 * 2004 Abkhazian presidential election
 * The original second round results of the 2004 Ukrainian presidential election (won by Viktor Yanukovych, followed by Orange Revolution)
 * 2005 Kyrgyz parliamentary election (followed by Tulip Revolution)
 * April 2006 Thai legislative election (followed by 2006 Thai coup d'état)
 * 2010 Icelandic Constitutional Assembly election
 * 2011 Kosovan presidential election (parliamentary vote won by Behgjet Pacolli)
 * 2011 South Ossetian presidential election (won by Alla Dzhioyeva; Leonid Tibilov elected in 2012)
 * 2011–12 Egyptian parliamentary election
 * 2012 Guinea-Bissau presidential election (second round canceled after a coup d'état)
 * February 2012 Kuwaiti general election
 * December 2012 Kuwaiti general election
 * 2013 Maldivian presidential election (first round re-run)
 * 2014 Thai general election (followed by the 2014 Thai coup d'état)
 * 2015 Haitian presidential election
 * The original second round results of the 2016 Austrian presidential election
 * 2017 Kenyan general election (only the presidential election which was initially called for Uhuru Kenyatta)
 * 2019 Malawian general election
 * 2019 Bolivian general election (followed by the 2019 Bolivian political crisis)
 * 2019 Abkhazian presidential election
 * October 2020 Kyrgyz parliamentary election (caused by mass protests)
 * 2020 Myanmar general election (followed by the 2021 Myanmar coup d'état)
 * 2023 Gabonese general election (followed by the 2023 Gabonese coup d'état)

Local elections

 * New York State Congressional election of 1812. State awarded an additional 10 districts after comparing 1790 census to 1810 census results. New election held in December 1812.
 * April 1931 Buenos Aires provincial election
 * 1943 Entre Ríos provincial election (annulled by a coup)
 * 1962 Argentine provincial elections (annulled by a coup)
 * 1966 Mendoza provincial election (annulled by a coup)
 * 1974 United States Senate election in New Hampshire
 * 1974-75 Louisiana's 6th congressional district election (original election invalidated after voting machine malfunctions; Henson Moore elected in rematch over Jeff LaCaze)
 * 1992 Corrientes provincial election
 * 2000 Molise regional election
 * 2011 Molise regional election
 * September 2018 Primorsky Krai gubernatorial election
 * 2018 North Carolina's 9th congressional district election (won by Mark Harris; Dan Bishop elected in 2019)
 * March 2019 Istanbul mayoral election
 * 2021 Berlin state election
 * 2023 Gabonese departmental elections and 2023 Gabonese local elections (followed by the 2023 Gabonese coup d'état)

Elections where the winning candidate died before taking office

 * 1908 Argentine Chamber of Deputies election in Santiago del Estero (Mariano Santillán Jr. elected, assassinated)
 * 1916 Argentine Chamber of Deputies election in San Luis (Miguel B. Pastor elected)
 * 1918 Brazilian general election (won by Francisco de Paula Rodrigues Alves)
 * 1928 Mexican general election (won by Álvaro Obregón, assassinated)
 * 1946 Santa Fe provincial election (won by Leandro Meiners)
 * 1946 La Rioja provincial election (won by Leovino Martínez)
 * 1946 Georgia gubernatorial election (won by Eugene Talmadge)
 * 1967 South African presidential election (won by Theophilus Dönges)
 * 1972 United States House of Representatives election in Alaska (won by Nick Begich)
 * 1972 United States House of Representatives election in Louisiana's 2nd congressional district (won by Hale Boggs)
 * August 1982 Lebanese presidential election (won by Bashir Gemayel, assassinated)
 * 1985 Brazilian presidential election (won by Tancredo Neves)
 * 2000 United States Senate election in Missouri (won by Mel Carnahan)
 * 2002 United States House of Representatives election in Hawaii's 2nd congressional district (won by Patsy Mink)
 * 2011 Argentine Chamber of Deputies election in Santiago del Estero (Jorge Raúl Pérez elected)
 * 2019 Argentine Senate election in Neuquén (Horacio "Pechi" Quiroga elected)

Referendums

 * 1990 Cordillera Autonomous Region creation plebiscite
 * 2006 Shariff Kabunsuan creation plebiscite
 * 2017 Slovenian railway referendum
 * One of the 2016 Swiss referendums on taxation, overturned in 2019 by the Federal Supreme Court.