The Internal Affairs, officially the Internal Affairs Division is a government law enforcement agency that investigates into law-breaking offences and misconduct by police officers and government agents.

It was established in 1922 as the Internal Affairs Group; as a division of the Federal Investigation Bureau to investigate into the internal affairs, and in 1948 came under the control of the central government. The Chief Director of the Internal Affairs is Jeffrey Harrell, Sr. and the Director is Richard Hopper.