| Abbreviation | Definition |
|---|---|
| EOL | Elite Online League |
| EOS | Eagles Of Serbia |
| EOSD | the Embodiment of Scarlet Devil |
| EotE | Envoy of the End |
| EOW | Eyes Of War |
| EP | En Passant |
| EP | Experience Points |
| EP | Extra Play |
| EPF | Elite Penguin Force |
| EPG | Empire Playing Game |
| EPICSMP | Epic Survival Multiplayer |
| EPID | Electronic Portal Imaging Device |
| EPL | Every Player Loaded |
| EQ | Everquest |
| EQL | Eastern Quake League |
| ERL3 | Edge Router Lite (3 port) |
| ERP | Effective Rating Points |
| ERTK | eRage The Killa |
| ESA | European Speedster Association |
| ESEA | E Sports Entertainment Association |