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 *

Tonne The tonne ( or ; symbol: t) is a unit of mass equal to 1,000 kilograms. It is a non-SI unit accepted for use with SI. It is also referred to as a metric ton in the United States to distinguish it from the non-metric units of the s ...

s per annum * Tons per acre, wine grape production term for estimating yield

Law

Trade Practices Act 1974 The ''Competition and Consumer Act 2010'' (CCA) is an Act of the Parliament of Australia. Prior to 1 January 2011, it was known as the ''Trade Practices Act 1974'' (TPA). The Act is the legislative vehicle for competition law in Australia, an ...

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

Organisations

* Political Union of Economists (), former Latvian political party *

TaxPayers' Alliance The TaxPayers' Alliance (TPA) is a pressure group in the United Kingdom which was formed in 2004 to campaign for a low-tax society. The group had about 18,000 registered supporters as of 2008 and claimed to have 55,000 by September 2010. Howeve ...

, 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 The Toronto Paramedic Association (TPA) was founded in 1992 to represent the interests of paramedics employed by Toronto Paramedic Services (TPS). During initial stages of development, membership consisted largely of Advanced Care Practitioners. ...

, Canada * Travelers Protective Association

Science and medicine

Terephthalic acid Terephthalic acid is an organic compound with formula C6H4(CO2H)2. This white solid is a commodity chemical, used principally as a precursor to the polyester PET, used to make clothing and plastic bottles. Several million tons are produced annuall ...

, an aromatic acid and monomer used in many plastics * Tetradecanoyl phorbol acetate (12-O-Tetradecanoylphorbol-13-acetate), a tumor promoter drug *

Tissue plasminogen activator Tissue-type plasminogen activator, short name tPA, is a protein that facilitates the breakdown of blood clots. It acts as an enzyme to convert plasminogen into its active form plasmin, the major enzyme responsible for clot breakdown. It is a s ...

(tPA), a fibrinolytic enzyme in biochemistry and medicine * Transpalatal arch, an orthodontic device * Tris(2-pyridylmethyl)amine *

Two-photon absorption In atomic physics, two-photon absorption (TPA or 2PA), also called two-photon excitation or non-linear absorption, is the (almost) simultaneous Absorption (electromagnetic radiation), absorption of two photons of identical or different frequencie ...

Television

* Televisão Pública de Angola, the state-owned TV station in Angola * Televisión Pública Argentina, a television network in Argentina *

Television Programs of America Television Programs of America, Inc (TPA) was a New York-based United States, US television production company in the 1950s. TPA had a Canada, Canadian subsidiary, Normandie Productions. This television production and distribution company was be ...

, a television production company of the 1950s * Televisión del Principado de Asturias, broadcaster in Asturias, Spain

Transport

Tampa International Airport Tampa International Airport is an international airport west of Downtown Tampa, in Hillsborough County, Florida, United States. The airport is publicly owned by Hillsborough County Aviation Authority (HCAA)., effective May 15, 2025. The airp ...

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

Other

Taipei Assassins Taipei Assassins (TPA) was a Taiwanese professional ''League of Legends'' team. It competed in the Garena Premier League (GPL) and later the League of Legends Master Series, ''League of Legends'' Master Series. It won the League of Legends: Seas ...

, a Taiwanese esports team * Tennis Professional Association o
TPA
a member-based association devoted to growing the tennis coaching profession in Canada. * 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 Multi-factor authentication (MFA; two-factor authentication, or 2FA) is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more distinct types of evidence ...

* TPA Tour, name for the US golf PGA Tour for a few months in 1981-82 * ''Trade Practices Act 1974'', the predecessor to the ''

Competition and Consumer Act 2010 The ''Competition and Consumer Act 2010'' (CCA) is an Act of parliament, Act of the Parliament of Australia. Prior to 1 January 2011, it was known as the ''Trade Practices Act 1974'' (TPA). The Act is the legislative vehicle for competition la ...

'', Australian legislation * Transient program area, in a CP/M computer system