| Abbreviation | Definition |
|---|---|
| EIAS | Ecological Integrity Assessments |
| EIE | Extraterritorial Income Exclusion |
| EIEB | Enterprise Integration Executive Board |
| EIN | Employer's Identification Number |
| Eind(a) | Electronic Investigational New Drug Application |
| EIP | Emerging Infections Program (CDC) |
| EIP | European Import Performance |
| EIR | Environmental Impact Report |
| EIS | Economic Impact Study |
| EIS | Environmental Information Services |
| EIT | Earned Income Tax |
| EITC | Earned Income Tax Credit |
| EIU | Economic Intelligence Unit |
| EKU | Earliest Known Use |
| ELA | Establishment Licence Application |
| ELC | Epidemiology and Laboratory Capacity |
| ELECO | Electoral College, a better abbreviation than: "EC"[To supersede the use by: "Intern |
| ELIPS | Electronic Labeling Information Processing System (FDA) |
| elsi | ethical, legal and social implications |
| EM | Environment Monitoring |