- 东南亚国家联盟 dōngnányàguójiāliánméng ASEANAssociation of Southeast Asian Nations; an international political and economic organization established in 1967.
- 东南亚国协 dōngnányàguóxié ASEAN(Taiwan usage) Association of Southeast Asian Nations; a regional international organization for political and economic cooperation
- 东南亚国家协会 dōngnányàguójiāxiéhuì ASEANAssociation of Southeast Asian Nations, an intergovernmental organization comprising ten Southeast Asian countries