ANAC may refer to:
Civil aviation agencies Agence nationale de l'aviation civile (disambiguation), several French-speaking agencies Autorité Nationale de l'Aviation Civile, a government agency in Côte d'Ivoire National Civil Aviation Administration, an Argentine government agency National Civil Aviation Agency of Brazil, a Brazilian government agency National Institute of Civil Aviation of Portugal, a Portuguese government agency
Other uses Association of Nurses in AIDS Care, a professional association Auckland Nuclear Accessory Company, a former New Zealand company Automatic number announcement circuit, a service for technicians to identify a telephone line National Anti-Corruption Authority (Italy) (A.N.AC.), an Italian administrative authority