| ISARS | Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing 
| Others |
| ISARS | Institute for Space Applications and Remote Sensing
| Others |
| ISARS | Integrated SAFE Act Reporting Site
| Others |
| ISARS | Integrated SAFE Act Reporting System
| Others |
| ISARS | International School of Advanced Research Study
| Others |
| ISARS | International Society for Academic Research on Shamanism
| Others |
| ISARS | International Society of Acoustic Remote Sensing
| Others |