| TSSP | Tactical Satellite Signal Processor 
| Others |
| TSSP | Teacher Salary Supplement Program
| Others |
| TSSP | Technical Stores Supply Point
| Others |
| TSSP | Technical Support for Schools Program
| Others |
| TSSP | Technical Support to Schools Program
| Others |
| TSSP | Technology and Service Support Policy
| Others |
| TSSP | Telecommunication Sector Support Programme
| Others |
| TSSP | Texas Society of Sleep Professionals
| Others |
| TSSP | The Sarah Silverman Program
| Others |
| TSSP | The Social Studies Professional
| Others |
| TSSP | Third Sector Strategic Partnership
| Others |
| TSSP | Topic Sensitive Similarity Propagation
| Others |
| TSSP | Toyota Safety Sense P
| Others |
| TSSP | Tpg Sixth Street Partners
| Others |
| TSSP | Trade Sector Support Programme
| Others |
| TSSP | Traffic Signal Synchronization Program
| Others |
| TSSP | Training Support Stipend Program
| Others |
| TSSP | Transfer Summer Start Program
| Others |
| TSSP | Transit Safety and Security Program
| Others |
| TSSP | Transport Sector Support Program
| Others |
| TSSP | Transportation Sector Specific Plan
| Others |
| TSSP | Triumph Supplier Specification Plan
| Others |
| TSSP | Tulane Science Scholars Program
| Others |