| Acronym | Definition |
|---|
| ERF | Error Function |
| ERF | Economic Research Forum |
| ERF | Église Réformée de France (French: Reformed Church of France) |
| ERF | Energy Recovery Facility (various locations) |
| ERF | Environmental Research Foundation |
| ERF | Estuarine Research Federation |
| ERF | European Refugee Fund |
| ERF | Evangeliums-Rundfunk (Christian media) |
| ERF | Error Report Form |
| ERF | Entity Reference File |
| ERF | Emergency Restoration Facility |
| ERF | Eclipse Resource File |
| ERF | Error Reporting Function |
| ERF | Euroopa Regionaalarengu Fondist (Estonian: European Regional Development Fund) |
| ERF | Engineering Research Facility (FBI) |
| ERF | Emergency Relief Fund |
| ERF | Européenne de Rabattement de Nappe et de Forage (French: European Drawdown of Tablecloth and Drilling; wells) |
| ERF | Extreme Reaction Force |
| ERF | Event-Related Field |
| ERF | Electro-Rheological Fluid |
| ERF | Extended Range Freighter |
| ERF | Emergency Response Force (California) |
| ERF | Entreprendre en Roannais-Forez (French business association) |
| ERF | École du Roller Français (French skating school) |
| ERF | Erfurt, Germany - Erfurt (Airport Code) |
| ERF | Emergency Response Facility |
| ERF | Edwin Richard Foden (UK truck manufacturer) |
| ERF | Edge Response Function |
| ERF | Excess Reduction Fee |
| ERF | Encapsulated Resource File (Neverwinter Nights file format) |
| ERF | Experience Rating Form |
| ERF | Error Field |
| ERF | Electronic Remote Fill |
| ERF | Exposure-Resilient Function (cryptography, AONT) |
| ERF | Estimated Repair Factor |
| ERF | Eye Research Foundation |
| ERF | Event Report Function |
| ERF | Emergency Related Forwarding |
| ERF | Ellipsoidal Reflector Floodlight |
| ERF | Electronic Registering Farebox |
| ERF | European Redistribution Facility |
| ERF | Engineering Rating Factor |
| ERF | Earth Repair Foundation (Australia) |
| ERF | External Reuse Frequency |
| ERF | Early Reinforcing Force |
| ERF | Explosion Release Factor |
| ERF | Electronic Repair Facility |
| ERF | Engine Reliability Fix |
| ERF | Entrainment Release Factor |
| ERF | Expected Recovery File |
| ERF | End of Radioactive Fallout |
| ERF | Eukaryote Release Factor (nucleic acid) |