| Acronym | Definition |
|---|
| ISUS➣International Society for Utilitarian Studies |
| ISUS➣Information Services and User Support |
| ISUS➣Innovation Start-Up Scheme (Australia) |
| ISUS➣Integrated Solar Upper Stage |
| ISUS➣Improved Solutions for Urban Systems, Inc. (Dayton, OH) |
| ISUS➣Integrated-Sensor Underwater System |