{{wiktionary|IPA}} '''IPA''' commonly refers to:

* International Phonetic Alphabet, a system of phonetic notation * India pale ale, a style of beer * Isopropyl alcohol, a chemical compound

'''IPA''' may also refer to: {{TOC right}}

==Organizations== ===International=== * Insolvency Practitioners Association, of the UK and Ireland * Institute of Public Administration (disambiguation) * International Peoples' Assembly * International Permafrost Association * International Phonetic Association, the organization behind the International Phonetic Alphabet * International Play Association * International Police Association * International Polka Association * International Presentation Association, network of Presentation Sisters * International Psychoanalytical Association * International Publishers Association, representing book and journal publishing

===Australia=== * Institute of Public Accountants * Institute of Public Affairs

===India=== * Indian Pharmacist Association * Indian Polo Association

===United Kingdom=== * Infrastructure and Projects Authority * Institute of Practitioners in Advertising * Involvement and Participation Association, for employee involvement in the workplace

===United States=== * Independence Party of America * Independent Pilots Association * Independent practice association, of physicians * Innovations for Poverty Action * Innovative Products of America, a tool manufacturer * Institute for Propaganda Analysis * Island Pacific Academy, Hawaii

===Other=== * Independent Psychiatric Association of Russia * Institute of Public Affairs, Poland * Instituto Superior Autónomo de Estudos Politécnicos, Portugal * Instituto de Profesores Artigas, 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, a UK programme * Indigenous Protected Area, Australia * Instrument for Pre-Accession Assistance, EU funding programme * Interaction process analysis * Interpretative phenomenological analysis to psychological qualitative research * Investigatory Powers Act 2016, a piece of UK legislation * IOC code used for some of the Independent Paralympians at the Paralympic Games teams

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