| 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 |