The Federal Investigation Agency (acronym: FIA) (Urdu: وفاقی ادارۂ تحقیقات) of Pakistan is a national investigative agency with a wide role in anti-terrorism, anti-fascism, anti-corruption, human smuggling and copyright infringement policing, similar in function to the USA's FBI. The FIA was established in 1975 under the FIA Act, 1974 and superseded the Pakistan Special Police Establishment (PSPE). The current director-general of FIA is Tariq Khosa who took over on 30 December, 2008 vice Tariq Pervez who attained superannuation.

In 2005, the FIA led a series of high profile raids on companies involved in video piracy. It was also reported that 110 FIA personnel were investigated for their alleged role in human trafficking and most of them were dismissed from service.

In 2006, the FIA resumed operational links with its Indian counterpart, the Central Bureau of Investigation, after a gap of 17 years