| AIAC | Aerospace Industries Association of Canada 
| Others |
| AIAC | Agriculture Industry Advisory Committee
| Others |
| AIAC | Alabama Indian Affairs Commission
| Others |
| AIAC | American Industrial Acquisition Corporation
| Others |
| AIAC | Ankara International Aerospace Conference
| Others |
| AIAC | Arlington International Airgun Club
| Others |
| AIAC | Associate of the Institute of Company Accountants (1928-1974)
| Others |
| AIAC | Associated Italian American Charities
| Others |
| AIAC | Associazione Italiana Agenti Cellulosa
| Others |
| AIAC | Associazione Italiana Allenatori Calcio
| Others |
| AIAC | Asynchronous Iterations Asynchronous Com
| Others |
| AIAC | Australian International Academic Centre
| Others |
| AIAC | Australian International Aerospace Congress
| Others |
| AIAC | Australian International Aviation College
| Others |
| AIAC | Automotive Industries Association of Canada
| Others |