| Acronym | Definition |
|---|
| IESM➣International Conference on Industrial Engineering and Systems Management (annual conference) |
| IESM➣Instituto de Estudos Superiores Militares (Portugese: Institute of Higher Military Studies) |
| IESM➣Independent Environmental and Social Monitoring |
| IESM➣Integrated Enterprise Systems Management |
| IESM➣Irradiation Effects on Structural Materials |