INR

INR or Inr may refer to:

Currencies

• Indian rupee, the official currency of India (ISO 4217 currency code: INR)

Biology and medicine

• International normalized ratio, a laboratory test measure of blood coagulation, based on prothrombin time
• Interventional neuroradiology, a minimally invasive medical speciality
• Initiator element, a DNA sequence that is part of many promoters transcribed by RNA polymerase II

Organizations

• Bureau of Intelligence and Research, an intelligence bureau in the U.S. State Department tasked with analyzing information
• Institute for Nuclear Research, a scientific research center of the Russian Academy of Sciences
• Institute of National Remembrance, a Polish research institute
• Institut national belge de radiodiffusion, the former name (1930–1960) of the Belgian national broadcasting organization RTBF

Other uses

• McKinley National Park Airport, McKinley Park, Alaska, United States (Federal Aviation Administration location identifier: INR)