| Acronym | Definition |
|---|
| ERP | Enterprise Resource Planning |
| ERP | Ear Reference Point (ITU-T) |
| ERP | Early Receptor Potential |
| ERP | Early Redemption Penalty (mortgages) |
| ERP | Early Reduction Program |
| ERP | Early Resource Planning |
| ERP | Early Retirement Plan |
| ERP | Earth Rotation Parameters |
| ERP | Educational Radio Project (NBC Radio, 1930s) |
| ERP | Effective Radiated Power |
| ERP | Effective Refractory Period |
| ERP | Effective Replacement Policy |
| ERP | Ejército Revolucionario del Pueblo (Argentina) |
| ERP | Electronic Registration Program |
| ERP | Electronic Requirement Plan |
| ERP | Electronic Resource Planning |
| ERP | Electronic Retail Payment |
| ERP | Electronic Road Pricing |
| ERP | Electronic Road Pricing (Singapore roads) |
| ERP | Emergency Ration Pack |
| ERP | Emergency Recovery Plan |
| ERP | Emergency Response Plan |
| ERP | Emergency Response Procedure |
| ERP | Emergency Room Physician |
| ERP | Emerson Radio and Phonograph Company |
| ERP | Emitter, Receiver, Processor |
| ERP | Employee Referral Program |
| ERP | Employee Retention Program/Plan |
| ERP | Employee Review Panel |
| ERP | Employment Reduction Process |
| ERP | Employment Related Practices (Insurance) |
| ERP | End-Route Rally Point |
| ERP | Enforcement Response Plan |
| ERP | Enforcement Response Policy |
| ERP | Engagement Range Program |
| ERP | Engine Room Pump |
| ERP | Engineering Regulating Point |
| ERP | Engineering Requirements Plan |
| ERP | Engineering Resource Planning |
| ERP | Enhanced-Resolution Printing |
| ERP | Enroute Reporting Point |
| ERP | Enterprise Requirement System |
| ERP | Entity Reporting Process |
| ERP | Environmental Resource Permit |
| ERP | Environmental Resource Planning |
| ERP | Environmental Resource Program |
| ERP | Environmental Restoration Plan |
| ERP | Environmental Results Program |
| ERP | Environmentally Responsible Procurement |
| ERP | Equipment Reception Party |
| ERP | Equipment Reception Point |
| ERP | Equipment Repair Part |
| ERP | Equity Risk Premium (for company valuation models) |
| ERP | Erotic Role Play |
| ERP | Error Recovery Procedure |
| ERP | Estimated Retail Price |
| ERP | Estrogen Receptor Protein |
| ERP | Etablissement Recevant du Public (France) |
| ERP | Euler-Rodrigues Parameter |
| ERP | European Recovery Plan |
| ERP | European Recovery Program |
| ERP | European Recovery Programme |
| ERP | European Restoral Plan |
| ERP | Evaluation des Risques Professionnels (France, Professional Risks Assessment) |
| ERP | Event Related Potential (EEG) |
| ERP | Event Response Procedure |
| ERP | Event-Related Potential |
| ERP | Ever-Ready-Procedure |
| ERP | Exact Route Position |
| ERP | Exchange Rate Policies |
| ERP | Exchange Rate Protection |
| ERP | Executive Readiness Program (formerly Pre-XD) |
| ERP | Executive Retirement Plan |
| ERP | Expense Reduction Program |
| ERP | Exposure and Response Prevention (OCD treatment) |
| ERP | Extended Range Projectile |
| ERP | Extended Refit Period |
| ERP | Extended Reporting Period (insurance claims) |
| ERP | Exterior Router Protocol |
| ERP | External Reference Point (Sprint) |
| ERP | External Review Panel |
| ERP | Enhanced Service Provider |
| ERP | Enterprise Resource Portals |
| ERP | Entry Redundant Power Supply |