The International Academy of Cytology (IAC) is a scientific global NGO for cytopathologists and cytologists.

[1] The IAC's goals are the advancement of cytopathology and cytology and it promotes research, education and collaboration within the field.

[4][5] The IAC is an international umbrella association working together with over 50 national cytology associations including the American Society of Cytopathology, the Società Italiana di Anatomia Patologica e Citologia Diagnostica,[6] the Academía Mexicana de Citopatológica[7] and the European Federation of Cytology Societies.

[8] The current president is Fernando Schmitt,[9] Professor of Pathology at the Medical Faculty of University of Porto, Head of Molecular Pathology Unit at IPATIMUP, Director of RISE[10] (Health Research Network).

In collaboration with the WHO, especially the IARC the IAC works on the definition of international nomenclature of tumors.