- AAIA stands for Advances in Artificial Intelligence and Applications (symposium)
- AAIA stands for Automotive Aftermarket Industry Association (consolidation of the Automotive Parts & Accessories Association and the Automotive Service Industry Association)
- AAIA stands for Association on American Indian Affairs (since 1923; Sisseton, South Dakota)
- AAIA stands for Airport and Airway Improvement Act
- AAIA stands for American Association for International Aging (Washington, DC)
- AAIA stands for Associate Member, Association of International Accountants (UK)
- AAIA stands for American Association of Independent Architects
- AAIA stands for Association of Airport Internal Auditors, Inc. (Salt Lake City, UT)
AAIA