| Acronym | Definition |
|---|
| IRRE➣Internal Rate of Return on Equity |
| IRRE➣Institute for Research and Reform in Education (Toms River, NJ) |
| IRRE➣Istituto Regionale Ricerca Educativa (Italian: Regional Education Research Institute; Italy) |
| IRRE➣Inline Relational Record Editing |
| IRRE➣International Road Roughness Experiment (est. 1982; Brazil) |
| IRRE➣Initial Response Readiness Exercise |