IPR

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 iPr, 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