| Acronym | Definition |
|---|
| TPL | Trust for Public Land |
| TPL | Temple (Amtrak station code; Temple, TX) |
| TPL | Trasporto Pubblico Locale (Italian: Local Public Transport) |
| TPL | Third-Party Liability |
| TPL | Toronto Public Library (Ontario, Canada) |
| TPL | Task Parallel Library (Microsoft) |
| TPL | Tethys Petroleum Limited (various locations) |
| TPL | The Premier League |
| TPL | Trusted Products List |
| TPL | Turbo Pascal Library |
| TPL | Template File |
| TPL | Trendnet Powerline |
| TPL | Tool Presets |
| TPL | Third Party Logistics |
| TPL | Torrent Pharmaceuticals, Ltd. (Torrent Group, India) |
| TPL | Tuscaloosa Public Library (Tuscaloosa, AL) |
| TPL | Test Plan |
| TPL | Tariff Preference Level |
| TPL | Technical Publications Library |
| TPL | Table Producing Language |
| TPL | Task and Project List |
| TPL | Transport and Project Logistics (Belgium) |
| TPL | Trouble de la Personnalité Limite (French: Borderline Personality Disorder; behavioral health) |
| TPL | Teaneck Public Library (Teaneck, NJ) |
| TPL | True Peak Level (audio processing) |
| TPL | Temple, TX, USA (Airport Code) |
| TPL | Tigard Public Library (Tigard, OR) |
| TPL | Teacher Professional Leave (Australia) |
| TPL | Transaction Processing Language |
| TPL | Teilprojektleiter (German: Subproject Manager) |
| TPL | Technical Pay Law (Massachusetts) |
| TPL | Towed Pinger Locator (salvage equipment for locating submerged civilian aircraft flight data recorders) |
| TPL | Test Priority List |
| TPL | Transpolar Long Path (radio signals) |
| TPL | Thermo-Plastic Liner |
| TPL | Two-Phase Locking |
| TPL | Technical Project Lead |
| TPL | Threatened Premature Labor (obstetrics) |
| TPL | Total Path Length |
| TPL | Time Phase Line |
| TPL | Technical Publications List |
| TPL | Toplock (access controller) |
| TPL | Temporary Procedures Log |
| TPL | Tritium Processing Laboratory |
| TPL | Traditional Product Line |
| TPL | Traditional Pit Latrine |
| TPL | Thrust Power Lever |
| TPL | Telephone Private Line(s) |
| TPL | Transient Protection Limit |
| TPL | Tax Policy Library (Virginia) |
| TPL | Terminal Processing Logic |
| TPL | Thermal Protective Liner (aviation helmet) |
| TPL | Tout pour le Loisir (French: Everything for Leisure; camper retailer) |
| TPL | The Partz Locator |
| TPL | Today's Patient List |
| TPL | Threat Parameter Listing |
| TPL | Test de Positionnement en Langues (French: Language Placement Test; education) |
| TPL | Trishyiraya Recycling India Pvt Ltd (Chennai, Tamil Nadu, India) |