TPA

TPA may refer to:

* Tampa International Airport (IATA code)
* Tempe Preparatory Academy, a preparatory secondary school in Arizona, USA
* Third party administrator, a financial transaction administrator that handles the processing and paperwork for retirement plans and/or health insurance or self insurance
* Tissue plasminogen activator (t-PA) in biochemistry and medicine, a fibrinolytic enzyme
* Tom Phillips + Associates Town Planning Consultants
* Tonnes per annum
* Toronto Paramedic Association, a group of paramedics based in Toronto.
* Toronto Parking Authority, a corporation owned by the City of Toronto that operates municipal parking lot
* Toronto Port Authority Canadian government organization that manages port operations in Toronto, Ontario
* Trade Practices Act 1974 - Australian antitrust and consumer protection legislation.
* Trade Promotion Authority, also known as Fast track, linked with the U.S. Trade Promotion Authority Act of 2002.
* Traffic Pattern Altitude, an altitude on which airport traffic pattern is flown.
* Transboundary Protected Area, a protected area that spans across boundaries of multiple countries
* Transfer of Physical Assets
* Transfer Path Analysis, a method of analyzing NVH characteristics of a structure
* TUXIS Parliament of Alberta, a youth parliament for 15-20 year olds in the province of Alberta
* Two-photon absorption
* Television Programs of America, a television production company of the 1950s
* Thickened pyrophoric agent, an incendiary weapon
* Third-party access - Third-party access
* Transfer Pricing Associates, an independent and specialist provider of expert transfer pricing and valuation services

Chemistry

* Terephthalic acid, an aromatic acid and monomer for Aramid.
* Tissue plasminogen activator, as mentioned above
* Tetradecanoylphorbol Acetate, or 12-O-Tetradecanoylphorbol-13-acetate, a biochemical research tool
* Triphenylamine, a tertiary amine