List of political parties in Czechoslovakia

• Republican Party of Farmers and Peasants (RSZML)
• Communist Party of Czechoslovakia (KSČ)
• Czechoslovak People's Party (ČSL)
• Czechoslovak Social Democratic Workers' Party (ČSDSD)
• German Social Democratic Workers' Party (DSAP)
• Czechoslovak National Social Party (ČSNS)
• Czechoslovak Traders' Party (ČŽOS)
• Czechoslovak National Democracy (ČsND)
• Hlinka's Slovak People's Party (HSĽS)
• Farmers' League (BdL)
• Sudeten German Party (SdP)
• Slovak National and Peasant Party (SNS)
• National Fascist Community (NOF)
• German Electoral Coalition
• National Unification (NSj)

• Autonomous Agrarian Union
• Carpathian German Party (KdP)
• Carpatho-Russian Labour Party of Small Peasants and Landless
• Communist Party of Czechoslovakia (Leninists)
• Czechoslovak Agrarian and Conservative Party
• German Christian Social People's Party
• German National Party (DNP)
• German National Socialist Workers' Party (DNSAP)
• German Traders' Party
• Hungarian National Party
• Hungarian-German Social Democratic Party
• Independent Socialist Workers Party
• Independent Radical Social Democratic Party
• Jewish Conservative Party
• Jewish Economic Party
• Jewish Party
• Juriga's Slovak People's Party
• Marxist Left in Slovakia and the Transcarpathian Ukraine
• National Labour Party (1925)
• National People's Party (NSL)
• Party of Moderate Progress Within the Bounds of Law
• Polish People's Party (PSL)
• Polish Socialist Workers Party (PSPR)
• Provincial Christian-Socialist Party (OKSZP)
• Russian National Autonomous Party
• Russian National Party
• Ruthenian Peasants Party
• Silesian People's Party
• Social Democratic Workers' Party in Subcarpathian Rus'
• Socialist Association
• Socialist League of the New East
• Socialist Party of the Czechoslovak Working People
• Sudeten German Rural League
• Vlajka
• Zipser German Party

• German People's Group in Czecho-Slovakia
• National Labour Party (1938) (NSP)
• Party of National Unity (SNJ)

• Democratic Party (DS)
• Communist Party of Slovakia (KSS)
• Freedom Party (SS)
• Labour Party (SP)

• National Front of Czechs and Slovaks

Communist Party of Czechoslovakia (KSČ)
Communist Party of Slovakia (KSS)
Czechoslovak People's Party (ČSL)
Czechoslovak Socialist Party (ČSS)
Freedom Party (SS)
Party of Slovak Revival (SSO)

• Club of Committed Non-Party Members (1968)

• Civic Democratic Party (Czech Republic) (ODS)
• Civic Democratic Party (Slovakia) (ODS)
• Christian Democratic Party (KDS)
• Christian Democratic Movement (KDH)
• Civic Forum (OF)
• Civic Movement (OH)
• Civic Democratic Alliance (ODA)
• Conservative Party (KS)
• Club of Committed Non-Party Members (KAN)
• Christian and Democratic Union (KDU)
• Movement for a Democratic Slovakia (HZDS)
• Friends of Beer Party (SPP)
• Public Against Violence (VPN)
• Civic Democratic Union (ODÚ)
• Party of the Democratic Left (Slovakia) (SDĽ)
• Party of the Democratic Left (Czech Republic) (SDL)
• Peasants' Party of Slovakia (RSS)
• Pensioners' Movement for Life Security (HDŽJ)
• Liberal-Social Union (LSU)
• Rally for the Republic – Republican Party of Czechoslovakia (SPR–RSČ)
• Communist Party of Bohemia and Moravia (KSČM)
• Communist Party of Slovakia (KSS)
• Union of Communists of Slovakia (ZKS)
• Communist Party of Slovakia – 91 (KSS '91)
• Coexistence (political party)
• The Czech Crown (Monarchist Party of Bohemia, Moravia and Silesia) (KČ)
• Hungarian Christian Democratic Movement (MKDM)
• Hungarian Civic Party (MOS)
• Green Party (Czech Republic) (SZ)
• Green Party (Slovakia) (SZ)
• Association of Radicals for the United States of Europe (AR)
• Masaryk Democratic Party (MDS)
• Movement for Autonomous Democracy–Party for Moravia and Silesia (HSD–SMS)
• Slovak National Party (SNS)
• Democratic Labour Party (DSP)
• Liberal Democratic Party (LDS)
• Party of Moravian Countryside (SMV)
• Moravian-Silesian Movement (MSH)
• Moravian Civic Movement (MOH)
• Moravian National Party (MNS)
• Czechoslovak Social Democracy (ČSSD)
• Social Democratic Party of Slovakia (SDSS)
• Roma Civic Initiative (ROI)