ISR

ISR may refer to:

Organizations

• Institute for Strategy and Reconciliation, a think tank, relief and development organization
• Institutional and Scientific Relations, a Directorate of the European Commission
• International Star Registry, a company which publishes the book Your Place in the Cosmos
• Institute for Social Research – CSUS, affiliated with California State University, Sacramento
• International School on the Rhein, one of the top IB schools in Germany

Publications

• ISR, a monthly socialist magazine published from 1900 until 1918
• 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
• International Studies Review, an academic journal of the International Studies Association
• Israel Studies Review, an academic journal of the Association for Israel Studies

Science and technology

Biology

• In-stent restenosis, restenosis or blockage of a blood vessel after a stent has been implanted
• Injection site reaction, a (usually adverse) reaction to an injection
• Integrated stress response, a collection of cellular pathways common to all eukaryotes that involve the activation of at least one eIF2a
• Plant-induced systemic resistance, plant process for disease prevention

Computers

• In-Service Register or Interrupt Service Register, in a Programmable Interrupt Controller
• Interrupt handler or interrupt service routine, a software routine that is executed in response to an interrupt
• Integrated Service Router, a series of Cisco routers

Other science

• In-situ recovery, a mining technique
• Incoherent scatter radar, a ground-based technique for studying the ionosphere
• Initial state radiation, in particle physics
• Intelligence, surveillance and reconnaissance, acquisition and processing of military intelligence
• Intersecting Storage Rings, a particle collider at CERN

Other uses

• ISR, country code for Israel, a Middle Eastern country
• Indiana Southwestern Railway, a subsidiary of Pioneer Railcorp
• Inuvialuit Settlement Region, in the Northwest Territories, Canada
• Ipoh-KL Sentral Route, an intercity train service in Malaysia
• ISR Racing, a racing team from Czech Republic
• Israir (designator ISR), an Israeli airline
• Italian Social Republic, a client state of Nazi Germany
• Joint Functional Component Command for Intelligence, Surveillance and Reconnaissance, a subordinate command of the United States Strategic Command
• International Search Report, a procedure of international patent law under the Patent Cooperation Treaty