National Intelligence Agency may refer to
Agencia Nacional de Inteligencia, Chile National Intelligence Agency (Somaliland) National Intelligence Agency (Democratic Republic of the Congo) National Intelligence Agency (Nigeria) National Intelligence Agency (South Africa) National Intelligence Agency, now the State Intelligence Services (The Gambia) National Intelligence Agency (Thailand) National Investigation Agency (India)
See also Defence Intelligence Agency (disambiguation) National Security Agency (disambiguation) State Security Agency (disambiguation) State Intelligence Agency (disambiguation) National Bureau of Investigation (disambiguation)