UNIONS SCIENTIFIQUES INTERNATIONALES MEMBRES DE L'ICSU/ISC

• International Astronomical Union (IAU)
• Union Radio Scientifique Internationale (URSI)
• International Geographical Union (IGU)
• International Society for Photogrammetry and Remote Sensing (ISPRS)
• International Union for QUAternary Research (INQUA)
• International Union of Crystallography (IUCr)
• International Union of Forest Research Organizations (IUFRO)
• International Union of Geodesy and Geophysics (IUGG)
• International Union of Geological Sciences (IUGS)
• International Union of Soil Sciences (IUSS)
• International Mathematical Union (IMU)
• International Union of Pure and Applied Physics (IUPAP)
• International Union of Pure and Applied Chemistry (IUPAC)
• International Union of Theoretical and Applied Mechanics (IUTAM)
• International Union of Materials Research Societies (IUMRS)
• International Brain Research Organization (IBRO) : non membre de l'ISC en 2021
• International Union of Biochemistry and Molecular Biology (IUBMB)
• International Union of Biological Sciences (IUBS)
• International Union of Immunological Societies (IUIS)
• International Union of Microbiological Societies (IUMS)
• International Union of Nutritional Sciences (IUNS)
• International Union for Pure and Applied Biophysics (IUPAB)
• International Union for Physical and Engineering Sciences in Medicine (IUPESM)
• International Union of Basic and Clinical Pharmacology (IUPHAR)
• International Union of Physiological Sciences (IUPS)
• International Union of Toxicology (IUTOX)
• International Union of Food Science and Technology (IUFoST)
• International Union of Anthropological and Ethnological Sciences (IUAES): non membre de l'ISC en 2021
• International Union of Psychological Science (IUPsyST)
• International Union of History and Philosophy of Science and Technology (IUHPS)