ICTP has set up regional centres of excellence around the globe. These partner institutes bring ICTP's unique blend of high-quality physics and mathematics education and high-level science meetings closer to scientists everywhere. They include the following:
- The ICTP South American Institute for Fundamental Research, ICTP SAIFR, is a regional centre for theoretical physics created in collaboration with the State University of Sao Paulo (UNESP) and the Sao Paulo Research Funding Agency (FAPESP).
- The East African Institute of Fundamental Research (EAIFR) is based at the University of Rwanda's Kigali campus.
- The ICTP-Asia Pacific was created in collaboration with the University of the Chinese Academy of Sciences.
- In Mexico, the Meso-American Institute for Sciences operates in collaboration with the Universidad Autónoma de Chiapas (UNACH).