ISR

ISR may refer to:

Publications
  • Information Systems Research, an academic journal in the information systems discipline
  • International Socialist Review (disambiguation), any of several U.S. publications
  • International Statistical Review, a journal of the International Statistical Institute
Science
  • Incoherent scatter radar, a ground-based technique for studying the ionosphere
  • Intersecting Storage Rings, a particle collider at CERN
  • Initial State Radiation, in particle physics
Computers
  • Interrupt handler or interrupt service routine, a software routine that is executed in response to an interrupt
  • In-Service Register or Interrupt Service Register, a type of register in a Programmable Interrupt Controller used to indicate which interrupts are in progress
  • Integrated Service Router, a series of Cisco routers
Countries
  • Italian Social Republic, a client state of Nazi Germany
  • ISR, country code for Israel, a Middle Eastern country
Military
  • Intelligence, Surveillance and Reconnaissance (disambiguation), i.e., Joint Functional Component Command for Intelligence, Surveillance and Reconnaissance (JFCC ISR), a subordinate command of the United States Strategic Command
  • ISR, for Intelligence, Surveillance, and Reconnaissance, in a military context. See ISTAR
  • The US Army Installation Status Report Program
Other uses
  • Injection site reaction, a (usually adverse) reaction to an injection/shot such as erythema, ecchymosis (bruise), inflammation and pain
  • International Star Registry
  • In-situ recovery, a mining technique involving the direct extraction of mineral rich fluids through boreholes drilled into a deposit.
  • Institutional and Scientific Relations Directorate of the European Union
  • International Socialist Resistance
  • Israir, an Israeli airline
  • Institute for Strategy and Reconciliation, an independent, non-profit think tank and international relief and development organization headquartered in Washington DC
  • Institute for Social Research - CSUS, a research institution affiliated with California State University, Sacramento
  • ISR, or In-Stent Restenosis, renewed blockage of a blood vessel after a stent has been implanted
  • International Search Report, an element of patent law. See Patent Cooperation Treaty
  • ISR, or Internal Sales Representative, used in business