| ERU | Early Researchers Union 
| Others |
| ERU | Earth Rate Unit
| Others |
| ERU | Economic Research Unit
| Others |
| ERU | Edmonton Rugby Union
| Others |
| ERU | Educational Resource Unit
| Others |
| ERU | Emergency Recovery Utility
| Others |
| ERU | Emergency Relief Unit
| Others |
| ERU | Emergency Repair Utilities
| Others |
| ERU | Emergency Response Unit
| Others |
| ERU | Emergency Response Units
| Others |
| ERU | Emission Reduction Unit
| Others |
| ERU | Energy recovery unit
| Others |
| ERU | Energy Research Unit
| Others |
| ERU | Energy Resources of Ukraine
| Others |
| ERU | Engine Run-Up
| Others |
| ERU | Engineering Release Unit
| Others |
| ERU | Engineering Research Unit
| Others |
| ERU | English Rugby Union
| Others |
| ERU | Equine Recurrent Uveitis
| Others |
| ERU | Equipment Replacement Unit
| Others |
| ERU | Equivalent Rate Unit
| Others |
| ERU | Equivalent Residential Unit
| Others |
| ERU | Equivalent Residential Units
| Others |
| ERU | Equivalent Runoff Unit
| Others |
| ERU | Error Return Address Update
| Others |
| ERU | Erume, Papua New Guinea
| Others |
| ERU | Eskie Rescuers United
| Others |
| ERU | Event Rentals Unlimited
| Others |
| ERU | Event Request Unit
| Others |
| ERU | Examinations and Records Unit
| Others |
| ERU | Explosives Research Unit
| Others |