| T/P/O | Time and Place of Occurrence 
| Others |
| TPO | Association for Image Processing (Poland)
| Others |
| TPO | TACSIM Program Office
| Others |
| TPO | Tally Pissed Off
| Others |
| TPO | Task Performance Observation
| Others |
| TPO | Teaching Professionals Olympiad
| Others |
| TPO | Team Pop Off
| Others |
| TPO | Technical Project Officer
| Others |
| TPO | Technical Publications Office
| Others |
| TPO | Technology Partnerships Office
| Others |
| TPO | Tele-Printer Operator
| Others |
| TPO | Temperature Programmed Oxidiation
| Others |
| TPO | Temporary Protection Order
| Others |
| TPO | Temporary Protection Orders
| Others |
| TPO | Temporary Protective Order
| Others |
| TPO | temporoparietaloccipital disconnection
| Others |
| TPO | Test Program Outline
| Others |
| TPO | THAAD (Theater High Altitude Area Defense) Project Office
| Others |
| TPO | The Power Of
| Others |
| TPO | The Prince Orono
| Others |
| TPO | The Pritzker Organization
| Others |
| TPO | The Prodigal Ones
| Others |
| TPO | The Program Object
| Others |
| TPO | The Property Ombudsman
| Others |
| TPO | Thermal Plastic Olefin
| Others |
| TPO | Thermo Plastic Polyolefin (often applied to elastomers)
| Others |
| TPO | ThermoPlastic Olefin
| Others |
| TPO | Thermos Plastic Olefin
| Others |
| TPO | Third Party Only
| Others |
| TPO | Third Party Operations
| Others |
| TPO | Third Party Organizations
| Others |
| TPO | Third Party Origination
| Others |
| TPO | thrombopoietin
| Others |
| TPO | Thyroid Peroxidase
| Others |
| TPO | Thyroid Peroxydase - anibody
| Others |
| TPO | thyroperoxidase
| Others |
| TPO | Timber Product Output
| Others |
| TPO | Time Place Occasion
| Others |
| TPO | Time Price Opportunity
| Others |
| TPO | Time, Place, and Occasion
| Others |
| TPO | to The Pritzker Organization
| Others |
| TPO | Tool Performance Optimization
| Others |
| TPO | Total Power Output
| Others |
| TPO | Town Police Officer
| Others |
| TPO | Traffic and Process Office
| Others |
| TPO | Training Placement Officer
| Others |
| TPO | Transcultural Physicosocail Organization
| Others |
| TPO | Transfer Post Office
| Others |
| TPO | Transmitter Power Output
| Others |
| TPO | Transportation Planning Organization
| Others |
| TPO | Travelling Post Office
| Others |
| TPO | Travelling Post Officer
| Others |
| TPO | Treatment Payment and Operations
| Others |
| TPO | Treatment Payment Operations
| Others |
| TPO | Treatment Payment Options
| Others |
| TPO | Treatment Plant Operator
| Others |
| TPO | Treatment Protection Organization
| Others |
| TPO | Treatment, Payment, and Operations
| Others |
| TPO | Treatment, Payment, Operation
| Others |
| TPO | Tree Preservation Order
| Others |
| TPO | Trillium Party of Ontario
| Others |
| TPO | Triple Pelvic Osteotomy
| Others |
| TPO | Tropical Pop Orchestra
| Others |
| TPO | True Product Offering
| Others |
| TPO | Turn Page Over
| Others |
| TPO | Turn Power on Off
| Others |
| TPO | Twisted Pair Only
| Others |
| TPO | Two Pain Organized
| Others |