| Acronym | Definition |
|---|
| ERS | European Respiratory Society |
| ERS | Economic Research Service (USDA) |
| ERS | Erase |
| ERS | Exclusive Right to Sell (real estate) |
| ERS | Educational Research Service (various organizations) |
| ERS | Earth Science |
| ERS | European Remote Sensing (satellites; European Space Agency) |
| ERS | Ethnic and Racial Studies (various schools) |
| ERS | Enterprise Risk Services (Deloitte & Touche Auditing) |
| ERS | Ethernet Routing Switch (various companies) |
| ERS | Electronic Repair Service |
| ERS | European Remote-sensing Satellite |
| ERS | Employee Retirement System |
| ERS | Exercise Referral Scheme (UK) |
| ERS | Emergency Road Service |
| ERS | Environmental and Resource Studies (Trent University; Canada) |
| ERS | Electoral Reform Society (of Great Britain and Ireland) |
| ERS | Edge Router Software |
| ERS | Electronic Range System |
| ERS | Exchange Requirements |
| ERS | Erase Command |
| ERS | Error Report Suppression |
| ERS | Ethernet Routing Switch |
| ERS | Error Reporting Service |
| ERS | Earth Resources Satellite |
| ERS | Emergency Response Service (IBM) |
| ERS | Emergency Response System |
| ERS | Établissement de Réinsertion Scolaire (French: Establishment of School Reintegration) |
| ERS | Email Reputation Service (software) |
| ERS | Event-Related Synchronization |
| ERS | Emergency Recovery System (Backtec Software) |
| ERS | Error Resolution System |
| ERS | Energy Recovery System |
| ERS | Evaluated Receipts Settlement |
| ERS | Earth Remote-Sensing Satellite |
| ERS | Effective Radiated Power |
| ERS | Enterprise Resource System |
| ERS | Extended Range Sound (car audio) |
| ERS | Ellipsoidal Reflector Spotlight (live stage lighting) |
| ERS | Equipment Requirements System (software; US Air Force) |
| ERS | ESA Remote Sensing Satellite |
| ERS | Event Reporting Standard (semiconductors) |
| ERS | Earth Retaining System (various locations) |
| ERS | Engineering Release System |
| ERS | Executive Reporting System (various organizations) |
| ERS | Ethernet Relay Service |
| ERS | Emergency Restoration Services (Sprint) |
| ERS | Emergency Restoration System (Lindsey Manufacturing Company) |
| ERS | Egyptian Rat Screw (card game) |
| ERS | Édition, Routage, Stockage (French shipping) |
| ERS | Environnement Risques Santé (French: Environmental Health Risks; journal) |
| ERS | Emergency Response Specialist (Singapore Civil Defence Force) |
| ERS | Emergency Relocation Site |
| ERS | European Relay Services for the Deaf and Hard of Hearing People (Europe) |
| ERS | Education Research Section (Princeton University) |
| ERS | Errored Seconds (AT&T) |
| ERS | External Reference Specification |
| ERS | European Railway Server |
| ERS | Windhoek, Namibia - Eros (Airport Code) |
| ERS | Earth Recovery Subsystem (US NASA) |
| ERS | Environmental Review Summary |
| ERS | Error Report Suppression (Flag)(Catnip) |
| ERS | Enterprise Routing Solution |
| ERS | Entretien Rénovation Service (French: Renovation Maintenance Service) |
| ERS | Extended Retail Solutions |
| ERS | Environmental Reporting System (Defense Logistics Agency) |
| ERS | Enterprise Resource Services, Inc. (Irvine, CA) |
| ERS | En Route System |
| ERS | Enterprise Requirements Suite (Telelogic) |
| ERS | Ecological Recycling Society (Greece) |
| ERS | Enamel-Renal Syndrome |
| ERS | Enterprise Resource Sharing (Banyan) |
| ERS | Environmental Reclamation Services, LLC |
| ERS | Eel River Sawmills |
| ERS | Engine Room Supervisor |
| ERS | Eastern Radiological Society |
| ERS | Extended Rehabilitation Services |
| ERS | Environmental Remediation Specialists, Inc. (Tulsa, OK; est. 1990) |
| ERS | Enqueue Replication Server (SAP) |
| ERS | Economic Retention Stock |
| ERS | Expanded Ring Search (computer networking) |
| ERS | Electronic Repair Shelter (US DoD) |
| ERS | Equipment Repositioning Surcharge (shipping containers) |
| ERS | Electronic Receipt System |
| ERS | Enterprise Requirements Specification |
| ERS | European Space Agency Remote Satellite |
| ERS | Equipment Record System |
| ERS | Error Recovery Service |
| ERS | Experimental Radar System |
| ERS | Emergency Relocation Staff |
| ERS | Effective Revenue Share |
| ERS | Expeditionary Refueling System |
| ERS | Extreme Response Spectrum (physics) |
| ERS | Education Records System |
| ERS | Electronic Requisition System |
| ERS | Experimental Research Society |
| ERS | European Relay Station |
| ERS | Excess Reporting System |
| ERS | European Research Fellowship |
| ERS | Environmental Reference Service |
| ERS | Exchange Rate Surcharge |
| ERS | Elevated Radio System |
| ERS | Enhanced Resource Subsystem (Cubix) |
| ERS | ERIM (Erasmus Research Institute of Management) Report Series (Netherlands) |
| ERS | Equilibrium Radiation Spectra |
| ERS | Electronic Reconnaissance Set |
| ERS | Expanded Radar Service |
| ERS | Electronic Repair System |
| ERS | Evaluation Record Sheet |
| ERS | Event-Related Seizure |
| ERS | Excuria Recovery Services, LLC (Levittown, NY) |