ASEAN

Organizations & Companies abbreviation · International Organization

ASEAN
Stands forAssociation of Southeast Asian Nations
CategoriesOrganizations & Companies

ASEAN stands for Association of Southeast Asian Nations, an international organization abbreviation.

Regional organization of 11 Southeast Asian countries that promotes economic integration, political and security cooperation and regional stability. Its secretariat is in Jakarta.

Example: ASEAN foreign ministers called for restraint in the South China Sea.

Usage notes

Founded on August 8, 1967 by Indonesia, Malaysia, the Philippines, Singapore and Thailand, it later added Brunei, Vietnam, Laos, Myanmar and Cambodia, and Timor-Leste became the 11th member in October 2025. Decisions are made by consensus, the "ASEAN Way". It hosts wider forums such as the East Asia Summit. It is pronounced "AH-see-an".

More international organization abbreviations

  • ADB – Asian Development Bank
  • AfDB – African Development Bank
  • AIIB – Asian Infrastructure Investment Bank
  • ANZUS – Australia, New Zealand, United States Security Treaty
  • APEC – Asia-Pacific Economic Cooperation
  • AU – African Union
  • AUKUS – Australia, United Kingdom, United States
  • BIS – Bank for International Settlements
  • BRICS – Brazil, Russia, India, China, South Africa
  • CARICOM – Caribbean Community
  • CERN – European Organization for Nuclear Research
  • CIS – Commonwealth of Independent States

See all 108 international organization abbreviations →