IAC
IAC is an abbreviation for:
- Indian Airlines Indian Airline ( ICAO code )
- Indigenous Aircraft Carrier, Vessel type of Indian aircraft carrier INS Vikrant see
- Industrial Acoustics Company, British sound insulation Manufacturers
- Institute of Amateur Cinematographers, British Association of amateur filmmakers
- Instituto de Astrofísica de Canarias, Astrophysical Institute of the Canary Islands
- InterAcademy Council
- InterAction Council, loose connection Former Heads of State and Government
- Interactive Corp., a U.S. company,
- International Ambassador Club
- International Aquanautic Club, a diving organization
- International Astronautical Congress
- International Automotive Components, American automotive
- Irem Arcade Classics
- International Academy of Ceramics, Geneva
- Internal arc classified, classification of arc resistance according to DIN EN 62271-202
- Interpret As Command, a control character within the Telnet protocol
- Disambiguation
- Abbreviation