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

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

Up to present, AIMO Union has already established Secretariats in countries such as Brazil, Bulgaria, China, Combodia, Hong Kong, India, Indonesia, Kazakhstan, Macau, Malaysia, Myanmar, Philippines, Singapore, South Korea, Thailand and Turkey.