The International Mathematical Union (IMU) is a prominent global non-profit organization dedicated to fostering international cooperation in mathematics. As a member of the International Science Council (ISC), IMU champions the principles of freedom, responsibility, and universality in science. Based in Berlin, Germany, IMU is recognized as a charitable organization, facilitating a range of activities that include publishing newsletters and bulletins to share updates with its members and the broader mathematical community.

IMU's mission encompasses various initiatives aimed at promoting mathematical education, supporting scholars in developing countries, and encouraging the participation of women in mathematics through dedicated commissions. The organization also organizes prestigious awards such as the Fields Medal and the Gauss Prize, highlighting exceptional contributions to the field. Through its ongoing outreach efforts, including the International Day of Mathematics and the Heidelberg Laureate Forum, IMU plays a critical role in advancing mathematical knowledge and collaboration across borders, fostering a vibrant global mathematical community.