INR or Inr may refer to:

Biology

  • Initiator element, a core promoter in genetics
  • International normalized ratio of prothrombin time of blood coagulation
  • Interventional neuroradiology, a minimally invasive medical specialty

Organizations

  • Bureau of Intelligence and Research of the U.S. State Department
  • Institute of National Remembrance, a Polish research institute
  • Institute for Nuclear Research of the Russian Academy of Sciences
  • Instituto Nacional de Rehabilitación, a public health institute in Mexico
  • , French name of Belgium's National Institute of Radio Broadcasting (1930–1960)

Currency

  • Indian rupee, by ISO 4217 currency code

Other uses

  • Independent National Radio, the official term for national commercial radio stations in the United Kingdom
  • McKinley National Park Airport, Alaska, USA, FAA identifier
  • International Railway (New Brunswick) A former rail line in the province of New Brunswick, in Canada
  • Israel Numismatic Research, an Israeli journal of ancient and medieval coins