ISR

ISR stands for:

Industrial Strength Records , an American hardcore techno label
Hexalobular socket (Torx), definition in ISO 7380
Information Systems Research , Scientific Journal of Business Administration
Intelligence, Surveillance and Reconnaissance , intelligence activities of the US armed forces
International school on the Rhine in Neuss
Internationale Seilbahn-Rundschau , Austrian specialist magazine
Interrupt service routine
Intersecting Storage Rings , a former particle accelerator at CERN
Israel (IOC country code)
Israel Railways , the Israeli state railway
Israir Airlines , an Israeli airline (ICAO code)
Istituto Svizzero di Roma , the Swiss cultural institute in Rome

isr stands for: