世界幼儿教育组织 World Organization for Early Children’s Education
世界针灸学会联合会 World Federation of Acupuncture and Moxibustion Societies
世界自然保护联盟 World Conservation Union
世界宗教和平大会 World Conference on Religion and Peace (WCRP)
太平洋经济合作理事会 Pacific Economic Cooperation Council (PECC)
西方七国首脑会议 Seven-Nation Economic Summit; Group of Seven Summit (G7 Summit)
西非国际经济共同体 Economic Community of West African States (ECOWAS)
西欧联盟 Western European Union (WEU)
亚大邮联 Asian-Oceanic Postal Union (AOPU; UPAO)
