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:

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