The Institute of Internal Auditors (IIA) Papua New Guinea (PNG) is a professional membership organisation dedicated to enhancing the practice of internal auditing in Papua New Guinea. It is affiliated with the Global Institute of Internal Auditors and operates under its guidance, practice and standards.
 
IIA PNG aims to serve as a professional organisation that supports and advances the field of internal auditing in Papua New Guinea. Its purpose includes promoting professional development, advocating for the profession, setting and upholding ethical standards, and fostering a sense of community among internal auditors in the region.