| ATSP | Academic Technology Specialist Program 
| Others |
| ATSP | Academic Technology Support Personnel
| Others |
| ATSP | Active Transportation Strategic Plan
| Others |
| ATSP | Administration Timing Simplification Protocol
| Others |
| ATSP | ADTRAN Technical Solutions Professional
| Others |
| ATSP | Advanced Technology Support Program
| Others |
| ATSP | Adventure Terraria Server Project
| Others |
| ATSP | Agreed To Strategy Plan
| Others |
| ATSP | Aide Task Service Plan
| Others |
| ATSP | Air Traffic Service Provider
| Others |
| ATSP | Applications Telecommunications Service Provider
| Others |
| ATSP | Area Transit Service Plan
| Others |
| ATSP | Ask To See Patient
| Others |
| ATSP | Asked To See Patient
| Others |
| ATSP | Asked To See the Patient
| Others |
| ATSP | Association of Technical Service Professionals
| Others |
| ATSP | Association of Telehealth Service Professionals
| Others |
| ATSP | Association of Telehealth Service Providers
| Others |
| ATSP | Association of Telemedicine Service Providers
| Others |
| ATSP | Asymmetric Traveling Salesman Problem
| Others |
| ATSP | Asymmetric Traveling Salesperson Problem
| Others |
| ATSP | Authorized Technical Service Provider
| Others |