| Acronym | Definition |
|---|
| IESE | Institut für Experimentelles Software Engineering (Germany) |
| IESE | Instituto de Estudios Superiores de La Empresa (Spanish business school) |
| IESE | Fraunhofer Institute for Experimental Software Engineering |
| IESE | Instituto de Estudos Sociais e Económicos (Portuguese: Institute for Social and Economic Studies; Mozambique) |
| IESE | Institute of Environmental Science and Engineering (Nanyang Technological University, Singapore) |
| IESE | Improvement and Efficiency South East (UK) |
| IESE | Industrial Economics and Strategy (Copenhagen Business School; Denmark) |