TSSA
| Acronym | Definition |
|---|---|
| TSSA | Technical Standards and Safety Authority (Canada) |
| TSSA | Transport Salaried Staffs Association |
| TSSA | Tanta Students' Scientific Association (Egypt) |
| TSSA | Technology Standards for School Administrators |
| TSSA | Tokyo SuperStar Awards |
| TSSA | Tennessee State Soccer Association |
| TSSA | Tropical Sport Shooting Association |
| TSSA | Technical Safety Standards Association |
| TSSA | TriMedia Software Streaming Architecture |
| TSSA | Training Systems Support Activity |
| TSSA | Total Ship Survivability Assessment |