INR
INR is an abbreviation for:
- Bureau of Intelligence and Research , the intelligence agency of the United States Department of State
- Indian rupee (Hindi: रुपया, rupayā), unit of currency in India
- Institute for Neutron Physics and Reactor Technology at the Karlsruhe Nuclear Research Center
- Institut National de Radiodiffusion until 1960, see RTBF
- Institute for Nuclear Research of the Russian Academy of Sciences in Moscow, founded in 1970
- Institute of National Remembrance (German: Institute for National Remembrance), see Instytut Pamięci Narodowej , Warsaw
- International Normalized Ratio , unit for measuring blood coagulation according to the worldwide standard and successor to the Quick value
