The International Mathematical Union (IMU) is an international non-governmental and non-profit scientific organization focused on promoting international cooperation in mathematics. It is a member of the International Council for Science (ICSU) and has endorsed  ICSU's Principle of Freedom, Responsibility & Universality of Science.

The objectives of the International Mathematical Union (IMU) are:

• To promote international cooperation in mathematics;
• To support and assist the International Congress of Mathematicians and other international scientific meetings or conferences;
• To encourage and support other international activities considered likely to contribute to the development of mathematical science – pure, applied, or educational.