| Abbreviation | Definition |
|---|---|
| ERS | Economic Research Service |
| ERS | Electronic Regulatory Submission |
| ERS | Emergency Relocation Site |
| ERSB | Emergency Response and Surveillance Branch |
| ERSB(CFSAN) | Emergency Response and Surveillance Branch (CFSAN) |
| ERSR | Electronic Regulatory Submissions and Review |
| ERT | Emergency Response Team |
| ES | Effect Size |
| ESB | Enterprise Systems Branch |
| ESB(ORA) | Enterprise Systems Branch (ORA) |
| ESC | Electronic Submission Coodinator |
| ESD | ElectroStatic Discharge |
| ESG | Electronic Submissions Gateway |
| ESIG | Electronic SIGnature |
| ESM | Electronic Secure Messaging |
| ESR | Egg Safety Rule |
| ESR | Erythrocyte Sedimentation Rate |
| ESRA | European Society of Regulatory Affairs |
| ESS(CBER) | Executive Secretariat Team (CBER) |
| ESS(NCTR) | Executive Secretariat Staff (NCTR) |