| Acronym | Definition |
|---|
| TPSA | The Pesticide Stewardship Alliance (Takoma Park, MD) |
| TPSA | Telekomunikacja Polska SA |
| TPSA | Technology Professional Services Association |
| TPSA | Topological Polar Surface Area |
| TPSA | Technical Production Services Association |
| TPSA | Texas Process Servers Association |
| TPSA | total polar surface area |
| TPSA | Trading Partner Service Agreement |
| TPSA | Taiwanese Political Science Association |
| TPSA | Texas Polio Survivors Association |
| TPSA | Texas Package Store Association |
| TPSA | Tissue Polypeptide Specific Antigen |
| TPSA | Technologies, Processes and System Attributes |
| tPSA | Total Prostatic Specific Antigen |
| TPSA | Transit Police Service Area (MBTA, Boston, MA) |
| TPSA | Texas Patient Safety Alliance |
| TPSA | Timber Production-Sharing Agreement |
| TPSA | Triple Play Sports Academy (Cullman, AL) |
| TPSA | Town Planning Scheme Amendment (Australia) |
| TPSA | TLAM Planning System Afloat (TLAM = Tomahawk Land Attack Missile; US DoD Navy) |
| TPSA | Telegard Pirate Sysop Alliance |
| TPSA | Turkish Political Science Association |
| TPSA | Tasmanian Public Service Association (Australia) |
| TPSA | Tucson Public Safety Academy (Tucson, AZ) |
| TPSA | The Philadelphia School Association (Philadelphia, PA) |
| TPSA | Tarleton Political Science Association (Tarleton State University; Stephenville, TX) |
| TPSA | Tax(payer) Processing System(s) Architecture |
| TPSA | Tomahawk Planning System Afloat |
| TPSA | Trans-Pacific Stabilization Agreement |
| TPSA | Tyrone Pennsylvania Swimming Association |
| TPSA | triple-pressed stearic acids |
| TPSa | The Professional Salesperson (Toastmasters) |
| TPSA | Troy Premier Soccer Association (Troy, Michigan) |