IAPP may refer to:

• Islet amyloid polypeptide, a protein produced by the pancreatic beta-cell that has been linked to type II diabetes
• Inter-Access Point Protocol (IEEE 802.11F), an optional extension to IEEE 802.11 that provides wireless access-point communications among multivendor systems
• iOS application or iApp

• International Association of Panoramic Photographers
• International Association of Privacy Professionals
• International Association of Parliamentarians for Peace

• [[ International Academic Preparation Program]], Focused on developing the academic foundation and English language proficiency for university studies, as well as potential credit exemptions, the International Academic Preparation Program (IAPP) by OEGI presents a smarter pathway to leading universities like Griffith University, University of Canberra, Flinders University and more.

This disambiguation page lists articles associated with the title IAPP.
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