| AATA | Abstract Algebra: Theory and Applications 
| Others |
| AATA | Abstract AlgebraTheory and Applications
| Others |
| AATA | Adam and the Ants
| Others |
| AATA | Administrative Appeal Tribunal of Australia
| Others |
| AATA | Adult Apples To Apples
| Others |
| AATA | Age Appropriate Transition Assessment
| Others |
| AATA | Age Appropriate Transition Assessments
| Others |
| AATA | Amarillo Area Tennis Association
| Others |
| AATA | American Academy of Trial Attorneys
| Others |
| AATA | American Addiction Treatment Association
| Others |
| AATA | American Advanced Technical Academy
| Others |
| AATA | American Aerospace Technical Academy
| Others |
| AATA | American Airlines Travel Academy
| Others |
| AATA | American Art Therapy Association
| Others |
| AATA | American Association of Teachers of Arabic
| Others |
| AATA | American Automobile Touring Alliance
| Others |
| AATA | Ann Arbor Transportation Authority
| Others |
| AATA | Anti Automobile Thief Association of America
| Others |
| AATA | Arbor Area Transportation Authority
| Others |
| AATA | Archangel Ancient Tree Archive
| Others |
| AATA | Argentine Association of Food Technology
| Others |
| AATA | Arizona Agriculture Teachers Association
| Others |
| AATA | Arizona Automobile Theft Authority
| Others |
| AATA | Arkansas Athletic Trainers Association
| Others |
| AATA | Association of Alabama Tax Administrators
| Others |
| AATA | Australian Accordion Teachers Association
| Others |
| AATA | AZ Automobile Theft Authority
| Others |