| ATAP | Academy of Theatre Arts Performance 
| Others |
| ATAP | Accelerator Technology and Applied Physics
| Others |
| ATAP | Acoustic Tracking Array Platform
| Others |
| ATAP | Acquisition Tuition Assistance Program
| Others |
| ATAP | Advanced Technologies And Products
| Others |
| ATAP | Advanced Technologies and Projects
| Others |
| ATAP | Advanced Technology and Projects
| Others |
| ATAP | Agreement on Trade in Agricultural Products
| Others |
| ATAP | Aircraft Technologists Association of Pakistan
| Others |
| ATAP | Alabama Telecommunications Access Program
| Others |
| ATAP | Alabama Transportation Assistance Program
| Others |
| ATAP | Alaska Temporary Assistance Program
| Others |
| ATAP | Alaska Transportation Alternatives Program
| Others |
| ATAP | Alcohol Training Awareness Program
| Others |
| ATAP | All Things Are Possible
| Others |
| ATAP | Allied Trades Assistance Program
| Others |
| ATAP | Anterior Tibialis Artery Perforator
| Others |
| ATAP | Anti Tank Anti Personnel
| Others |
| ATAP | Anti-Terrorism Assistance Program
| Others |
| ATAP | Anti-Terrorist Action Plan
| Others |
| ATAP | Approximation Theory and Approximation Practice
| Others |
| ATAP | Arkansas Taxpayer Access Point
| Others |
| ATAP | Arm Technology Access Program
| Others |
| ATAP | Asociacion de Transporte Automotor de Pasajeros
| Others |
| ATAP | Assistive Technology Access Partnership
| Others |
| ATAP | Assistive Technology Act Programs
| Others |
| ATAP | Associate Teacher Accreditation Program
| Others |
| ATAP | Association of Talent Acquisition Professionals
| Others |
| ATAP | Association of Tax Accounting Professionals
| Others |
| ATAP | Association of Tech Act Projects
| Others |
| ATAP | Association of Threat Assessment Professionals
| Others |
| ATAP | Asteroid Threat Assessment Project
| Others |
| ATAP | Auckland Transport Alignment Project
| Others |
| ATAP | Australian Tourism Accreditation Program
| Others |
| ATAP | Australian Transport Assessment and Planning
| Others |
| ATAP | Australian Truck and Auto Parts
| Others |
| ATAP | Australian Truck Auto Parts
| Others |
| ATAP | Autism Treatment Assistance Program
| Others |
| ATAP | Azienda Trasporti Automobilistici Provinciali
| Others |