The International Union of Immunological Societies (IUIS), a member of the International Council for Science, is an organization which serves as an umbrella organization for many national immunological societies. The organization was founded in 1969. The ten founding member societies were the American Association of Immunologists, British Society for Immunology, Canadian Society for Immunology, Dutch Society for Immunology, Gesellschaft fur Immunologie, Israel Immunological Society, Polish Society of Immunology, Scandinavian Society for Immunology, Societe Francaise d’immunologie, and Yugoslav Immunological Society. IUIS had 54 member societies in 2009.
The current President of IUIS is Stefan H.E. Kaufmann.