| Acronym | Definition |
|---|
| ERD | Entity Relationship Diagram |
| ERD | Ethical and Religious Directives (Catholic Health Care Services) |
| ERD | Emergency Repair Disk |
| ERD | Episcopal Relief and Development |
| ERD | Economic Relations Division (Bangladesh) |
| ERD | Event-Related Desynchronization |
| ERD | Extended Reach Drilling (oil industry) |
| ERD | Emergency Response Division |
| ERD | Elastic Recoil Detection |
| ERD | Environmental Restoration Division |
| ERD | Energy Recovery Device |
| ERD | Explosives Regulatory Division |
| ERD | Eligible Rollover Distribution |
| ERD | Early Return of Dependents |
| ERD | effective rim diameter (cycles) |
| ERD | Ecosystems Research Division (US EPA) |
| ERD | Employee Relations Division |
| ERD | Esophageal Reflux Disease |
| ERD | Earthquake Resistant Design |
| ERD | Early Random Drop |
| ERD | Expected Reinsurer Deficit (CAS Risk Transfer Metric) |
| eRD | E-Referencedesk |
| ERD | Estimated Release Date |
| ERD | Early Release Date (prision) |
| ERD | Emergency Reserve Decoration (UK) |
| ERD | Environmental Radiation Data |
| ERD | Early Renal Damage |
| ERD | Electronic Restraint Device |
| ERD | Equal-Cost-Route Descriptor (Cisco) |
| ERD | Equivalent Residual Dose |
| ERD | Enterprise Relational Database |
| ERD | Equipment Readiness Date |
| ERD | Experimental Research Design |
| ERD | Employment Relations Divisions (Montana) |
| ERD | External Reuse Density |
| ERD | External Requirements Document |
| ERD | Estimating Requirements Document (mini Cost Analysis Requirements Document) |
| ERD | Engineering Review Diagram |
| Erd | Total Residential Energy Demand (Carolina Environmental Program) |
| ERD | Expected Recovery Date (medical terminology) |
| ERD | Envelope Recipient Domain (email) |
| ERD | Exchange Rate Difference (finance) |
| ERD | Électricité de France Réseaux de Distribution (French) |
| ERD | External Relations Department (various organizations) |