| Acronym | Definition |
|---|
| IESS➣Instituto Ecuatoriano de Seguridad Social (Ecuador) |
| IESS➣International Embedded Systems Symposium |
| IESS➣Integrated Electronic Systems Sector |
| IESS➣International Encyclopedia of the Social Sciences |
| IESS➣Imagery Exploitation Support System |
| IESS➣Integrated Electronic Security System |
| IESS➣Integrated Electronic Systems Sector (Motorola) |
| IESS➣INTELSAT Earth Station Standards |
| IESS➣Integrated Electromagnetic System Simulator |
| IESS➣International Engineering Students Society (University of Melbourne) |
| IESS➣Image Exploitation Support System |
| IESS➣Inelastic Electron Scattering Spectroscopy |
| IESS➣Initial Execution Sequence Set |