The International Union of Immunological Societies is an umbrella organization for many of the regional and national societies of immunology throughout the world. As articulated in its Constitution, the objectives of IUIS are:
- to organize international co-operation in immunology and to promote communication between the various branches of immunology and allied subjects
- to encourage within each scientifically independent territory co-operation between the Societies that represent the interests of immunology
to contribute to the advancement of immunology in all its aspects.

The Federation of Clinical Immunology Societies (FOCIS) engenders cross-fertilization among the many specialty societies that are included in the broad field of clinical immunology. Today, FOCIS represents nearly 30,000 clinicians and scientists with 28 member societies.

The European Federation of Immunological Societies (EFIS) is the federation of 27 societies of immunology in 31 countries in the European area. These are the Immunological Societies of Austria, Baltic Countries (Estonia, Latvia, Lithuania), Belarus, Belgium, Bulgaria, Croatia, Czech Republic, France, Germany, Greece, Hungary, Ireland, Israel, Italy, the Netherlands, Poland, Portugal, Romania, Russia, Scandinavian Countries (Denmark, Finland, Iceland, Norway, Sweden), Slovakia, Slovenia, Spain, Switzerland, Turkey, United Kingdom and Yugoslavia. Altogether, members of Immunology Societies which belong to EFIS are more than 16,000 immunologists.

The European Society for Immunodeficiencies (ESID) is a non-profit organization having multiple aims. The main objectives are to facilitate the exchange of ideas and information among doctors, nurses, biomedical investigators, patients and their families concerned with primary immunodeficiency diseases and also to promote research on causes, mechanisms and treatment of these disorders. Recently ESID has initiated an educational program.

A Sociedade Brasileira de Imunologia representa a comunidade de imunologistas brasileiros e tem como objetivo principal difundir a pesquisa e o ensino em Imunologia no Brasil, tanto no que se refere aos seus aspectos básicos como clínicos.