| Acronym | Definition |
|---|
| ERU➣Emergency Response Unit (Special Irish Police Unit) |
| ERU➣Engineering Research Unit (University of Moratuwa; Sri Lanka) |
| ERU➣Emission Reduction Unit |
| ERU➣Equivalent Residential Units |
| ERU➣Engineering Release Unit |
| ERU➣Error Return Address Update |
| ERU➣Emergency Recovery Utility |
| ERU➣Equipment Replacement Unit |
| ERU➣Eskie Rescuers United (Cedar Rapids, IA American Eskimo dog rescue) |
| ERU➣Equilibrium Rate of Unemployment (economics) |
| ERU➣Emergency Recovery Utility (Microsoft) |
| ERU➣Event Request Unit (Infineon Technologies) |
| ERU➣External Relations Unit (Australia) |
| ERU➣Energy Research Unit (UK) |
| ERU➣Equine Recurrent Uveitis |
| ERU➣Emergency Relief Unit |
| ERU➣Empresa de Renovación Urbana (Colombia) |
| ERU➣Ejector Release Unit |
| ERU➣Earth-Rate Unit |
| ERU➣Emergency Recovery Unit |
| ERU➣Edmonton Rugby Union |
| ERU➣Eagle Rock Underground |
| ERU➣Equipment Replaceable Unit |
| ERU➣Estimated Residential Unit |