TPA

TPA may refer to:

Business and finance

 * Third-party access, a competition principle regarding natural resources
 * Third-party administrator for processing insurance claims and retirement plans
 * Tonnes per annum
 * Tons per acre, wine grape production term for estimating yield

Law

 * Trade Practices Act 1974, Australian competition law legislation
 * Trade Promotion Authority, a power of the US president

Organisations

 * Political Union of Economists (Tautsaimnieku Politiskā Apvienība), former Latvian political party
 * TaxPayers' Alliance, a British free-market lobby group
 * Tempe Preparatory Academy, a preparatory secondary school in Arizona, U.S.
 * Texas Pharmacy Association, U.S.
 * Theta Phi Alpha a collegiate women's fraternity. Formerly known as TPA, now Theta Phi Alpha.
 * Toronto Paramedic Association, Canada
 * Travelers Protective Association

Science and medicine

 * Terephthalic acid, an aromatic acid and monomer for Aramid
 * Tetradecanoyl phorbol acetate (12-O-Tetradecanoylphorbol-13-acetate), a tumor promoter drug
 * Tissue plasminogen activator (tPA), a fibrinolytic enzyme in biochemistry and medicine
 * Transpalatal arch, an orthodontic device
 * Tris(2-pyridylmethyl)amine
 * Two-photon absorption

Television

 * Televisão Pública de Angola, the state-owned TV station in Angola
 * Televisión Pública Argentina, a television network in Argentina
 * Television Programs of America, a television production company of the 1950s
 * Televisión del Principado de Asturias, broadcaster in Asturias, Spain

Transport

 * Tampa International Airport, by IATA code
 * Tanzania Ports Authority
 * Toronto Parking Authority, Canada
 * Toronto Port Authority, Canada

Other

 * Taipei Assassins, a Taiwanese esports team
 * Terapascal (TPa), a unit of pressure or stiffness
 * Terminal Portuario de Arica, an important port in northern Chile
 * The Pinball Arcade, a pinball video game developed by FarSight Studios
 * Thermal Protective Aid, an aluminized polyethylene suit
 * Thickened pyrophoric agent, triethylaluminium used as an incendiary weapon
 * Third-party authentication, term usually applied to an app which enables a type of multi-factor authentication
 * TPA Tour, name for the US golf PGA Tour for a few months in 1981-2
 * Trade Practices Act 1974, the predecessor to the Competition and Consumer Act 2010, Australian legislation
 * Transient program area, in a CP/M computer system