| ISO |
International Standards Organization |
| ISO |
Independent Systems Operator |
| ISO |
Indian society of oncology |
| ISO |
Infrared Space Observatory |
| ISO |
Imaging Spectrometric Observatory |
| ISO |
International Organization For Standardization |
| ISO |
Imaging Spectrometic Observatory |
| ISO |
Information System Organisation |
| ISP |
Internet Service Provider |
| ISP |
Information Systems Professional |
| ISP |
Initial Specific Impulse |
| ISP |
Instrumentation Support Plan |
| ISP |
Integrated Support Plan |
| ISP |
International Specialty Products |
| ISPG |
Institutional Support Planning Group |
| ISPM |
International Standard for Phytosanitary Measure |
| ISPM |
Invasive Species and Pest Management |
| ISPM |
International Solar Polar Mission |
| ISPR |
International Standard Payload Rack |
| ISR |
Interrupt Service Routine |
| ISR |
Interrupt Segment Register |
| ISR |
Interrupt Space Register |
| ISR |
Initial System Release |
| ISRO |
Indian Space Research Organisation |
| ISRO |
Indian Space Research Organisation |
| ISRO |
Indian Space Research Organisation |
| ISS |
Injury Severity Score |
| ISS |
International Space Station |
| ISS |
Installation Support Services |
| ISS |
Instruction Summary Sheet |
| ISS |
Integrated Support Stand |
| ISS |
Integrated System Schematic |
| ISS |
IRIS Spinning Stage |
| ISS |
Indian Statistical Service |
| ISSI |
International Space Science Institute |
| ISSL |
Initial Spares Support List |
| ISSMA |
IEEE Information Theory Society Paper Award |
| ISSP |
Indian Scientific Satellite Project |
| ISSP |
Intensive Supervision and Surveillance Programme |
| ISSS |
International Society of Soil Science |
| IST |
Indian Standard Time |
| IST |
Indian Standard Time |
| IST |
Information Sciences And Technology |
| IST |
Information Systems Technologies |
| IST |
Interrupt Service Thread |
| IST |
Insulin Shock Therapy |
| IST |
Intravascular Sono-Therapy |
| IST |
Instructional Support Teacher |
| IST |
Interpersonal Situations Test |
| ISTA |
Intertank Structural Test Assembly |