| Abbreviation | Definition |
|---|---|
| EBCS | English Bowls Coaching Scheme |
| EBEL | Erste Bank Eishockey Liga |
| EBG | Empire Building Game |
| EBT | European Bowling Tour |
| EC | Endurocross |
| ECB | England and Wales Cricket Board |
| ECBC | Emerald Coast Blue Marlin Classic at Sandestin |
| ECC | East Central Conference |
| ECC | Eastern Connecticut Conference |
| ECCO | Extreme Championship Combat Organization |
| ECF | Ein Chilenische Fussballmanschafft |
| ECFC | Emerald City Football Club |
| ECFL | English Colleges Football League |
| ECG | Existential Computers and Games |
| ECH | Extreme Championship Hacking |
| ECHL | East Coast Hockey League |
| ECHO | English Carp Heritage Organisation |
| ECHO | Extraordinary Computer Handicapping Output |
| ECL | Encounter Challenge Level |
| ECL | eSports Champions League |