| Abbreviation | Definition |
|---|---|
| EPSC | European Political Strategy Centre |
| EPSR | European Political Science Review |
| EPW | Economic and Political Weekly |
| ERA | Elected Regional Assembly |
| ERA | Equal Rights Amendment |
| ERAB | European Research Area Board |
| ERC | Energetic Republican Counter |
| ERPT | European Review of Political Technologies |
| ERSG | Elections Reform Support Group |
| ERSP | Evangelical Review of Society and Politics |
| ERTF | Election Reform Task Force |
| ERW | Equal Rights Washington |
| ESDP | Egyptian Social Democratic Party |
| ESDP | Eritrean Social Democratic Party |
| ESEP | Ethics in Science and Environmental Politics |
| ESPA | ELAC Students for Political Awareness |
| ESPN | Endless Stupid Political Nagging |
| ESPS | European Social and Political Studies |
| ESPS | European Social Political Studies |
| ESS | Economic Society of Singapore |