IPA commonly refers to: *

International Phonetic Alphabet The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic notation based primarily on the Latin script. It was devised by the International Phonetic Association in the late 19th century as a standard written representation ...

, a system of phonetic notation **

International Phonetic Association The International Phonetic Association (IPA; , API) is an organization that promotes the scientific study of phonetics and the various practical applications of that science. The IPA's major contribution to phonetics is the International Phoneti ...

, the organization behind the alphabet * India pale ale, a style of beer *

Isopropyl alcohol Isopropyl alcohol (IUPAC name propan-2-ol and also called isopropanol or 2-propanol) is a colorless, flammable, organic compound with a pungent alcoholic odor. Isopropyl alcohol, an organic polar molecule, is miscible in water, ethanol, an ...

, a chemical compound IPA may also refer to:

Organizations

International

Insolvency Practitioners Association The Insolvency Practitioners Association (IPA) is Recognised Professional Body (RPB)for the UK insolvency profession, responsible for licensing and regulation of its Insolvency Practitioner members under insolvency and Anti-Money Laundering (AML) ...

, of the UK and Ireland *

Institute of Public Administration (disambiguation) Institute of Public Administration may refer to: *Institute of Public Administration Australia *Indian Institute of Public Administration *Institute of Public Administration (Ireland) *National Institute of Public Administration (Malaysia) * Instit ...

* International Peoples' Assembly *

International Permafrost Association The International Permafrost Association (IPA), founded in 1983, is an international professional body formed to foster the dissemination of knowledge concerning permafrost and to promote cooperation among individuals and national or internation ...

* International Play Association *

International Police Association The International Police Association (IPA) is a worldwide fraternal police organization. The IPA operates as a non-governmental organization, Non-Governmental Organization open to active duty or retired members of the Police, police force. M ...

International Polka Association The International Polka Association (IPA) is located in Chicago, Illinois and dedicated to the study and preservation of polka music and the cultural heritage of Polish Americans who have made this music tradition part of their heritage. The IPA ...

* International Presentation Association, network of

Presentation Sisters The Presentation Sisters, officially the Sisters of the Presentation of the Blessed Virgin Mary, are a religious institute of Roman Catholic women founded in Cork, Ireland, by Honora "Nano" Nagle in 1775. The sisters of the congregation use th ...

International Psychoanalytical Association The International Psychoanalytical Association (IPA) is an association including 12,000 psychoanalysts as members and works with 70 constituent organizations. It was founded in 1910 by Sigmund Freud, from an idea proposed by Sándor Ferenczi. His ...

International Publishers Association The International Publishers Association (IPA, originally Congrès international des éditeurs) is an international publishing industry federation of national publisher associations representing book and journal publishing, founded in 1896 in Pa ...

, representing book and journal publishing

Australia

Institute of Public Accountants The Institute of Public Accountants (IPA) is one of the three legally recognised professional association, professional bodies for accountants in Australia. The IPA represents more than 25,000 voting members working in industry, commerce, gove ...

Institute of Public Affairs The Institute of Public Affairs (IPA) is a conservative non-profit free market public policy think tank, Political links and networking The IPA Victoria was founded during World War II by businessmen in response to the feared growing power of ...

India

* Indian Pharmacist Association *

Indian Polo Association The Indian Polo Association (IPA) is the governing body for polo in India. Most of the IPA's major activities are executed by the 61 Cavalry Unit of the Indian Army The Indian Army (IA) (ISO 15919, ISO: ) is the Land warfare, land-based br ...

United Kingdom

Infrastructure and Projects Authority The Infrastructure and Projects Authority (IPA) was, between 2016 and April 2025, the United Kingdom government's centre of expertise for infrastructure and major projects. The IPA reported to the Cabinet Office and HM Treasury. The core teams in ...

Institute of Practitioners in Advertising The Institute of Practitioners in Advertising (IPA), incorporated by a Royal Charter, is the trade body and professional institute for agencies and individuals working in the UK's advertising, media and marketing communications industry. History F ...

* Involvement and Participation Association, for employee involvement in the workplace

United States

Independence Party of America Independence is a condition of a nation, country, or Sovereign state, state, in which residents and population, or some portion thereof, exercise self-government, and usually sovereignty, over its territory. The opposite of independence is ...

Independent Pilots Association The Independent Pilots Association (IPA) is the union representing the collective bargaining interests of over 3000 airline pilots employed by United Parcel Service (UPS). The organization was founded in 1990 and is headquartered in Louisville, Ke ...

Independent practice association In the United States, an independent practice association (IPA), also known as an independent provider association, independent physician association, individual practice association or integrated physician association, is an association of indepe ...

, of physicians *

Innovations for Poverty Action Innovations for Poverty Action (IPA) is an American non-profit research and policy organization founded in 2002 by economist Dean Karlan. Since its foundation, IPA has worked with over 400 academics to conduct over 900 evaluations in 52 countries ...

Innovative Products of America Innovative Products of America (IPA) is a family-owned and operated original equipment manufacturing and distributing company based out of Woodstock, New York.Snow, Violet. ''IPA owner wary of proposed regs for former Simulaids buildings.'' http:// ...

, a tool manufacturer *

Institute for Propaganda Analysis The Institute for Propaganda Analysis (IPA) was a U.S.-based organization operating from 1937 to 1942, composed of social scientists, opinion leaders, historians, educators, and journalists. Created by Kirtley Mather, Edward A. Filene, and Clyde R ...

Island Pacific Academy Island Pacific Academy (IPA) is a private, independent, co-educational, college-preparatory school serving grades K-12, with a current enrollment of approximately 550 students. Located in Kapolei, Hawaii Hawaii ( ; ) is an island U.S. ...

, Hawaii

Other

Independent Psychiatric Association of Russia The Independent Psychiatric Association of Russia (IPA) () is the sole Russian non-governmental professional organization that makes non-forensic psychiatric expert examination at the request of citizens whose rights have been violated with the us ...

Institute of Public Affairs, Poland An institute is an organizational body created for a certain purpose. They are often research organisations (research institutes) created to do research on specific topics, or can also be a professional body. In some countries, institutes ca ...

Instituto Superior Autónomo de Estudos Politécnicos Instituto Superior Autónomo de Estudos Politécnicos (IPA) is a private polytechnic institution, located in Lisbon Lisbon ( ; ) is the capital and largest city of Portugal, with an estimated population of 567,131, as of 2023, within i ...

, Portugal * , a Uruguayan teacher training institute

Science

* 3-Indolepropionic acid, a biological substance * ''Ipa'' (spider), a genus of spiders

Technology

* .ipa, extension for Apple iOS applications * "Identity, Policy, and Audit", as in FreeIPA * Intermediate power amplifier of a radio transmitter

Other uses

Important Plant Areas Important Plant Areas (IPA) is a programme set up in the UK, by the organisation Plantlife, to provide a framework for identifying and maintaining the richest sites for plant life, possibly within existing protected areas; though the protection of ...

, a UK programme *

Indigenous Protected Area An Indigenous Protected Area (IPA) is a class of protected area used in Australia; each is formed by voluntary agreement with Indigenous Australians, and declared by Aboriginal Australians and Torres Strait Islander representative organisation ...

, Australia *

Instrument for Pre-Accession Assistance The Instrument for Pre-Accession Assistance, or simply IPA, is a funding mechanism of the European Union The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the ...

, EU funding programme *

Interaction Process Analysis Robert Freed Bales (March 9, 1916 – June 16, 2004) was an American social psychologist. He specialized in small group interpersonal interaction and developed the SYMLOG (SYstematic MultiLevel Observation of Groups) method of group observation. ...

Interpretative phenomenological analysis Interpretative phenomenological analysis (IPA) is a qualitative research, qualitative form of psychology research. IPA has an idiographic focus, which means that instead of producing Nomothetic, generalization findings, it aims to offer insights in ...

to psychological qualitative research *

Investigatory Powers Act 2016 The Investigatory Powers Act 2016 (c. 25) (nicknamed the Snoopers' Charter) is an Act of the Parliament of the United Kingdom which received royal assent on 29 November 2016. Its different parts came into force on various dates from 30 December ...

, a piece of UK legislation * IOC code used for some of the Independent Paralympians at the Paralympic Games teams {{disambiguation