| Acronym | Definition |
|---|
| TTSA➣To the Stars Academy |
| TTSA➣Tahoe-Truckee Sanitation Agency (California) |
| TTSA➣Thai Tapioca Starch Association |
| TTSA➣Trinidad and Tobago Sailing Association |
| TTSA➣Travel and Tourism Satellite Account |
| TTSA➣Tanzania Tree Seed Agency |
| TTSA➣ToonTown Secret Agents (fansite) |
| TTSA➣Top That Spy Academy (UK) |
| TTSA➣Trinidad and Tobago Scientific Association |
| TTSA➣Tourism Training South Australia |
| TTSA➣Texas Towing and Storage Association |
| TTSA➣Telemedicine Technologies SA (Paris, France) |
| TTSA➣Technicians, Therapists and Scientists in Audiology |
| TTSA➣Two Tube Series Amplifier |
| TTSA➣Trainer Tactical Software Activity |
| TTSA➣Transition Training Squadron Atlantic (Fleet; US Navy) |
| TTSA➣Temple Terrace Soccer Association (Florida) |
| TTSA➣Three Tip Sage |
| TTSA➣Technology Transfer for Space Applications |
| TTSA➣Tasmanian Towns Street Atlas (Australia) |
| TTSA➣TUKS Tourism Student Association (South Africa) |
| TTSA➣Texas Technology Students Association |
| TTSA➣Tanzania Tankers Seamen Association |
| TTSA➣Tinguely Transports SA (Switzerland) |
| TTSA➣Table Top Semi Automatic |
| TTSA➣Trinidad and Tobago Squash Association |
| TTSA➣The Tuberous Sclerosis Association (UK) |
| TTSA➣Taipo Tertiary Student Association (Hong Kong) |
| TTSA➣Topological Trade Scheduler Algorithm |