International nongovernmental organizations

The Centrist Democrat International was until 2001 the Christian Democrat International (CDI) and before that the Christian Democrat and People's Parties International (until 1999) (this earlier name is, since October 2000, still sometimes used colloquially).

The Congrès internationaux d'architecture moderne (CIAM), or International Congresses of Modern Architecture, was an organization founded in 1928 and disbanded in 1959, responsible for a series of events and congresses arranged across Europe by the most prominent architects of the time, with the objective of spreading the principles of the Modern Movement focusing in all the main domains of architecture (such as landscape, urbanism, industrial design, and many others).

The International Union of Crystallography (IUCr) is a member of the International Council for Science (ICSU) and exists to serve the world community of crystallographers.

The Save the Children Fund, commonly known as Save the Children, is an international non-governmental organization that promotes children's rights, provides relief and helps support children in developing countries.

The Permanent Conference of Political Parties of Latin America and the Caribbean (COPPPAL) is an international organization of political parties in Latin America and the Caribbean.

The Inter-American Center of Tax Administrations "CIAT" is an international organization specialized in training and exchanges of information between national tax administrations.

The International Union for Quaternary Research (INQUA) was founded in 1928.

The International Board on Books for Young People (IBBY) is a Swiss non-profit organization based in Zurich committed to bringing books and children together.

The International Solidarity Movement (ISM) is a "Palestinian-led movement" focused on assisting the Palestinian cause in the Israeli-Palestinian conflict.

The European Union National Institutes for Culture, (EUNIC), is a network of the European national institutes for culture, engaged beyond their national borders and operating with a degree of autonomy from their governments.

(Not to be confused with Interpol.) The International Police Association (IPA) is the largest organisation for police officers in the world, founded by British sergeant Arthur Troop (1914–2000).

Atheist Alliance International (AAI) is a global federation of atheist organizations and individuals, committed to educating the public about atheism, secularism and related issues.

The Rainforest Alliance is a non-governmental organization (NGO) working to conserve biodiversity and ensure sustainable livelihoods by transforming land-use practices, business practices and consumer behavior.

The Club de Madrid is an independent non-profit organization created to promote democracy and change in the international community.

The Association for Information and Image Management or AIIM (pronounced aim) is a non-profit membership organization.

The International Union of Forest Research Organizations (IUFRO) (French: Union Internationale des Instituts de Recherches Forestières, German: Internationaler Verband Forstlicher Forschungsanstalten, Spanish: Unión Internacional de Institutos de Investigación Forestal) is a non-profit, non-governmental international network of forest scientists, headquartered in Austria.

AEGEE, stands for Association des États Généraux des Étudiants de l'Europe, and it is known as European Students' Forum in English.

Europa Nostra (Latin for "Our Europe") is a pan-European Federation for Cultural Heritage, representing citizens’ organisations that work on safeguarding Europe's cultural and natural heritage.

The International Conference of Asian Political Parties (ICAPP) is a forum of political parties of Asia-Oceanian countries, which was launched in Manila Philippines in September 2000.

Initiatives of Change ("IofC") is a global organisation dedicated to "building trust across the world's divides" of culture, nationality, belief, and background.

Messiah Foundation International (Urdu: مہدی فاونڈیشن انٹرنیشنل‎) (or MFI) is a spiritual organisation formally established in 2002 to promote the Goharian Philosophy of Divine Love.

Saferworld is an international non-governmental organisation with conflict prevention and peacebuilding programmes in over 20 countries and territories in the Horn of Africa, the African Great Lakes region, Asia, the Middle East, Central Asia and the Caucasus.

La Strada International (LSI) is an international NGO network addressing the trafficking of persons in Europe.

The International Rescue Committee (IRC) is a global humanitarian aid, relief and development nongovernmental organization.

The Carbon War Room (CWR) is an international non-governmental organization (NGO) and think tank working on issues regarding market-based solutions to climate change.

The World Justice Project (WJP) is an independent, multidisciplinary organization working to advance the rule of law around the world.

The Digital Humanitarian Network is a network-of-networks, enabling a consortium of Volunteer and Technical Communities (V&TCs) to interface with humanitarian organizations that seek their services.

The World Veterans Federation (WVF) is the world's largest international veteran organisation.

The World Federalist Movement (WFM) is a global citizens movement that advocates the establishment of a global federal system of strengthened and democratic global institutions subjected to the principles of subsidiarity, solidarity and democracy.

The Norwegian Refugee Council (NRC, Norwegian: Flyktninghjelpen) is a humanitarian, non-governmental organisation which promotes and protects the rights of people affected by displacement.