Albania

• Communist Party of Albania

Algeria

• Communist Party of Algeria

Australia

• Communist Party of Australia

Austria

• Party of Labour of Austria

Azerbaijan

• Communist Party of Azerbaijan

Bahrein

• Democratic Progressive Tribune

Bangladesh

• Communist Party of Bangladesh

Belarus

• Belarusian Communist Party of Workers-Section of the CPSU
• Communist Party of Belarus

Belgium

• Workers' Party of Belgium

• Communist Party of Belgium (Wallonia-Brussels)

Brazil

• Brazilian Communist Party

• Communist Party of Brazil
  
  
• Communist Pole Luis Carlos Prestes

Britain

• Communist Party of Britain

• New Communist Party of Britain

Bulgaria

• Party of the Bulgarian Communists

• Union of Communists in Bulgaria

• Communist Party of Bulgaria

Canada

• Communist Party of Canada

Chile

• Communist Party of Chile

Colombia

• Marcha Patriotica
• Colombian Communist Party

Costa Rica

• People's Vanguard Party (Costa Rica)

Croatia

• Socialist Workers' Party of Croatia

Cuba

• Communist Party of Cuba

Cyprus

• Communist Party of Cyprus

Czech Republic

• Communist Party of Bohemia & Moravia

Denmark

• Communist Party in Denmark

• Danish Communist Party

Ecuador

•  Communist Party Ecuador

Egypt

• Egyptian Communist Party

El Salvador

• Communist Party of El Salvador

Finland

• Communist Workers' Party - for Peace and Socialism, Finland

France

• Revolutionary Party - Communistes

• Pole of Communist Revival in France

• Communist Revolutionary Party of France

FYROM

• Communist Party of Macedonia (FYROM)

Georgia

• Unified Communist Party of Georgia

German

• German Communist Party

Hungary

• Hungarian Workers' Party

India

• Communist Party of India

• Communist Party of India (Marxist)

Indonesia

• Communist Party of Indonesia

Iran

• Tudeh Party of Iran

Ireland

• Workers' Party of Ireland
  
  
• Communist Party of Ireland

Italy

• Communist Party (Italy)

Japan

• Sisho Undo (Japan)

Jordan

• Jordanian Communist Party

Kazakhstan

• Socialist Movement of Kazakhstan

Laos

• Lao People Revolutionary Party

Latvia

• Socialist Party of Latvia

Lebanon

• Lebanese Communist Party

Lithuania

• Socialist People's Front

Luxembourg

• Communist Party of Luxembourg

Madagascar

• Party of the Congress for the Independence of Madagascar [AKFM]

Malta

• Communist Party of Malta

Mexico

• Communist Party of Mexico
• Popular Socialist Party

Moldova

• People's Resistance

Myanmar

• Communist Party of Burma

Nepal

• Communist Party of Nepal [UML]

Netherlands

• New Communist Party of the Netherlands

Norway

• Communist Party of Norway

Pakistan

• Communist Party of Pakistan

Palestine

• Palestinian Communist Party

• Palestinian People's Party

Paraguay

• Paraguayan Communist Party

Peru

• Peruvian Communist Party

Philippines

• Philippine Communist Party [PKP-1930]

Poland

• Communist Party of Poland

Portugal

• Portuguese Communist Party

Puerto Rico

• Communist Party of Puerto Rico

Reunion

• Communist Party of Reunion

Romania

• Community Party of Romania

• Romanian Communist Party - XXI century

• Romanian Socialist Party

Russia

• Communist Party of the Soviet Union

• Russian Communist Workers' Party - CPSU

• Communist Party of the Russian Federation

Serbia

• Communists of Serbia (KS)

• New Communist Party of Yugoslavia

Slovakia

• Communist Party of Slovakia 

South Africa

• South African Communist Party

Spain

• Communist Party of the Peoples of Spain
  
  
• Gallizan People's Union
  
  

Sri Lanka

• Communist Party of Sri Lanka

• People's Liberation Front - JVP, Sri Lanka

Sudan

• Sudanese Communist Party

Swaziland

• Communist Party of Swaziland

Sweden

• Communist Party of Sweden

Switzerland

• Communist Party (Switzerland)
• Party of Labour

Syria

• Syrian Communist Party

Turkey

• Communist Party of Turkey

Ukraine

• Communist Party of Ukraine
• Union of Communists of Ukraine

USA        

• Party of Communists USA

• Network of Communist Clubs

Venezuela

• Communist Party of Venezuela

Vietnam

• Communist Party of Vietnam