EIRR
| Acronym | Definition |
|---|---|
| EIRR | Economic Internal Rate of Return |
| EIRR | Eastern Idaho Railroad |
| EIRR | Energy Internal Rate of Return |
| EIRR | European Industrial Relations Review (journal) |
| EIRR | Expected Internal Rate of Return (financial measurement) |
| EIRR | External Independent Readiness Review (US NASA) |
| EIRR | Enable Interrupt Request Register |