Asia International Mathematical Olympiad Union (AIMO Union) is a collaborative international organization among mathematical research organizations and individuals.

It is the mission of AIMO Union to provide teenagers with an international platform for the purposes of learning Mathematics, cultural exchange, intriguing their mathematical insights, improving their qualities of scientific thinking minds and hence enhancing the friendship and cooperation of teenagers from different countries/regions.

Up to present, AIMO Union has already established Secretariats in countries such as Afghanistan, Azerbaijan, Brazil, Bulgaria, Cambodia, Canada, China, Ecuador, Hong Kong, Iran, India, Indonesia, Kazakhstan, Macau, Malaysia, Mongolia, Myanmar, Philippines, Singapore, Thailand, Turkey, Uzbekistan, and Vietnam.