IPR may refer to:
Law
- Intellectual property rights
- Inter partes review, US procedure for challenging patents
Media
- Independent Public Radio network, Minnesota, US
- Indie Press Revolution, a sales network for role-playing games
- WBST (Indiana Public Radio), a public radio network in east central Indiana
- Interlochen Public Radio, Michigan, United States
- Iowa Public Radio, US
Organisations
- Institute for Plasma Research, India
- Institute of Pacific Relations (1925–1960)
- Institute for Policy Research and Catholic Studies, Washington, DC
- Institute for Public Relations, University of Florida
- Northwestern University Institute for Policy Research, Evanston, IL
- Mikael Ter-Mikaelian Institute for Physical Research, Armenia
- Prague Institute of Planning and Development, Czech Republic
Science and mathematics
- Indirect potable reuse of reclaimed water
- Interproximal reduction, an orthodontic treatment
- Inverse Participation Ratio, measure of localization or purity of a quantum mechanical state
Chemistry
- i-Pr or Pr, abbreviations for the isopropyl group in organic chemistry
- IPr, an N-heterocyclic carbene, see IMes
Others
- Indicação de Proveniência Regulamentada (Indication of Regulated Origin), Portuguese wine designation
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