| Acronym | Definition |
|---|
| ECR | Efficient Consumer Response |
| ECR | European Congress of Radiology |
| ECR | Electron Cyclotron Resonance |
| ECR | European Court Reports (EU case law) |
| ECR | Electronic Cash Register |
| ECR | El Camino Real (Kings Highway; California) |
| ECR | East Coast Radio (South Africa) |
| ECR | Extended Constructed Response (scoring tool, education) |
| ECR | Extensor Carpi Radialis (muscle) |
| ECR | Export Credit Refinancing |
| ECR | Electronic Combat/Reconnaissance |
| ECR | Enhanced Call Routing |
| ECR | Education Credit (IRS) |
| ECR | Electronic Court Records |
| ECR | Electronic Combat Range |
| ECR | Emergency Control Room |
| ECR | Error Cause Removal |
| ECR | Executive Conference Room |
| ECR | Earth Centered Rotating |
| ECR | Enforcement Case Review |
| ECR | Egress Committed Rate (networking) |
| ECR | El Camino Resources, Ltd. |
| ECR | Electron Counting Rule |
| ECR | Effective Casualty Radius |
| ECR | Existing Condition Report |
| ECR | Effective Cleaning Radius |
| ECR | East Coast Repository |
| ECR | Early Childhood Resource |
| ECR | Economic Continuous Rating |
| ECR | East Coast Ramble |
| ECR | Engineer Change Request |
| ECR | Environmental Compliance Report |
| ECR | Enemy Contact Report |
| ECR | Expander Connection Router (SAS) |
| ECR | Engineering Change Request/Report |
| ECR | Equipment Custody Record |
| ECR | Environmental Compliance & Restoration |
| ECR | Error Containment Region |
| ECR | Embedded Computer Resource |
| ECR | Except Change Route to Read |
| ECR | Effective Clutter Region |
| ECR | Equipment Certification Request |
| ECR | Energy Consumption Report |
| ECR | Engineering Change Status Report |
| ECR | Engineering Capability Release |
| ECR | Estimated Cost Replacement |
| ECR | Engineering Certification Request |
| ECR | Error Correction Radius |
| ECR | Enabling Capability Recipient |
| ECR | Exchange Carrier Representative |
| ECR | Excess Contribution Refund |