| Acronym | Definition |
|---|
| TPO➣The Philadelphia Orchestra (Pennsylvania) |
| TPO➣Tokyo Philharmonic Orchestra (Tokyo, Japan) |
| TPO➣Tribal Police Officer (Alaska) |
| TPO➣Thyroid Peroxidase |
| TPO➣Thrombopoietin |
| TPO➣Tree Preservation Order (UK) |
| TPO➣Triple Pelvic Osteotomy (veterinary medicine) |
| TPO➣Thermoplastic Olefin |
| TPO➣Transportation Planning Organization |
| TPO➣Total Power Output |
| TPO➣Trade Promotion Organization (various locations) |
| TPO➣Third Party Only (auto insurance) |
| TPO➣Temporary Protection Order |
| TPO➣Temporary Protective Order |
| TPO➣Transmitter Power Output |
| TPO➣Training and Placement Officer (various organizations; India) |
| TPO➣Temperature-Programmed Oxidation |
| TPO➣Tree Protection Order (UK) |
| TPO➣Third Party Origination (lending) |
| TPO➣Time, Place, and Occasion (appropriate clothing and behavior) |
| TPO➣Trade Promotion Optimization |
| TPO➣Trainee Probation Officer (UK) |
| TPO➣Treatment, Payment & Operations (HIPAA) |
| TPO➣Technical Project Officer |
| TPO➣Traveling Post Office |
| TPO➣Transition Planning Office (various organizations) |
| TPO➣Triple Peel on Opponent (croquet) |
| TPO➣TRADOC Project Office (US Army) |
| TPO➣Transition Program Office (various organizations) |
| TPO➣Theatre Pipe Organ |
| TPO➣Twisted Pair Only |
| TPO➣Thermal Plastic Olefin |
| TPO➣Terminal Performance Objective |
| TPO➣Thermo-Plastic Polyolefin |
| TPO➣Time-Proportional Output |
| TPO➣Trade Paperback Original |
| TPO➣Terahertz-wave Parametric Oscillator |
| TPO➣Toshiba Philharmonic Orchestra |
| TPO➣Transaction Processing Option |
| TPO➣Teleport Program Office |
| TPO➣Totally Pissed Off |
| TPO➣Test Program Office |
| TPO➣THAAD Project Office |
| TPO➣Technical Publications Office |
| TPO➣Time and Place of Occurrence |
| TPO➣Test Program Outline |
| TPO➣Technical Program Office |
| TPO➣Technical Planning Objective |
| TPO➣Total Product Offer |
| TPO➣Telecommunications Program Objective |
| TPO➣Test Process Optimization (software) |
| TPO➣TACSIM Program Office |
| TPO➣Trout Predator Online (website) |
| TPO➣Terminal Program Office |
| TPO➣Telecommunications Project Office |
| TPO➣Tentative Program Objective |
| TPO➣Tri-Service Medical Information System Program Office |
| TPO➣Transports Pluviaud Organisation (French: Pluviaud Transportation Organization) |
| TPO➣Track Production Officer (radar air surveillance) |
| TPO➣Total Power Optimization |
| TPO➣Topological Pre-Ordering |