Association oOf Southeast Asian Nations. ASEAN stands for Association of Southeast Asian Nations. Asean Full Form Looking for online definition of ASIAN or what ASIAN stands for. . The Association of Southeast Asian Nations or ASEAN was established on 8 August 1967 in Bangkok Thailand with the signing of the ASEAN Declaration Bangkok Declaration by the Founding Fathers of ASEAN. As its name implies it is a grouping of countries in the region of Southeast Asia. ASEAN stands for Association of Southeast Asian Nations. Indonesia Malaysia Philippines Singapore and Thailand. This page is about the various possible meanings of the acronym abbreviation shorthand or slang term. It was established on 8 August 1967 in Bangkok Thailand by signing of the ASEAN declaration. Solved Answer of MCQ ASEAN stands for. 38 popular meanings of ASEAN abbreviation. Association of Southeast Asian Nations 4. ASIAN ...