| Acronym | Definition |
|---|
| TASC | Test Assessing Secondary Completion (high school equivalency exam) |
| TASC | The Association of Settlement Companies (Madison, WI) |
| TASC | The After School Corporation |
| TASC | The American Surrogacy Center |
| TASC | Transportation Administrative Service Center |
| TASC | Total Administrative Services Corporation |
| TASC | Treatment Accountability for Safer Communities |
| TASC | The Analytic Sciences Corporation |
| TASC | The Alliance for Safe Children |
| TASC | Technical Analysis of Stocks and Commodities (magazine) |
| TASC | Treatment Assessment Screening Center (substance testing) |
| TASC | Tax and Accounting Services Company |
| TASC | Technical Assistance and Services Center |
| TASC | Trinity and All Saints College (UK) |
| TASC | Texas Association of Student Councils |
| TASC | Treatment Alternative to Street Crime |
| TASC | Technical Assistance Service Center (Sprint) |
| TASC | The AIDS Information and Support Centre (Swaziland) |
| TASC | Technical Assistance Support Center (NEC) |
| TASC | Tuesday Action Shooting Club |
| TASC | Task Analysis Safety Card (various organizations) |
| TASC | Technology and Solutions Center (Schneider Electric) |
| TASC | Tennessee Association of Student Councils |
| TASC | Telecommunications Alarm Surveillance and Control (Alcatel) |
| TASC | Train Automatic Stopping Controller (electric trains) |
| TASC | Tactical Air Support Command |
| TASC | Training & Audiovisual Support Center |
| TASC | The Adult Skills Center |
| TASC | Tutoring and Academic Success Center |
| TASC | Triangle Association for Scientific Creationism |
| TASC | Texas Action Shooting Club |
| TASC | Targeting Alcohol-related Street Crime (Wales, UK) |
| TASC | Terminal Area Sequence and Control |
| TASC | Téléinformatique et Analyse des Systèmes Communicants Laboratory (University of Pau, France) |
| TASC | Temasek Academy Students' Council |
| TASC | Teenage Shelter Care |
| TASC | Transportation Acquisition Service Center (US DOT) |
| TASC | Training Aids Service Center |
| TASC | Theater ADP Service Center |
| TASC | Technology and Assessment Study Collaborative |
| TASC | Transatlantic Software Corporation |
| TASC | Thailand Association for Sustainable Construction |
| TASC | Theater Aerospace-operations Support Center |
| TASC | Time And Space Connector (time machine) |