| Abbreviation | Definition |
|---|---|
| EBAL | East Bay Athletic League |
| ECAC | Eastern College Athletic Competition |
| ECAC | Eastern College Athletic Conference |
| ECAV | East Campus Athletic Village |
| ECXC | Elizabethtown College Cross Country (athletics; Pennsylvania) |
| EDAB | East District Athletic Board |
| EDLA | Eastern Districts Little Athletics |
| EFAC | Edmonton Female Athletic Club |
| EFE | Exercise, Food, and Emotions |
| EGAA | Edina Girls Athletic Association |
| EGAC | East Grinstead Athletic Club |
| EIAC | Eastern Indiana Athletic Conference |
| EKAC | East Kilbride Athletic Club |
| EKAC | East Kilbride Athletics Club |
| ELAA | East Limestone Athletic Association |
| EMA | European Masters Athletics |
| ENGAA | East Norriton Girls Athletic Association |
| EOS | Evolution Of Self |
| EPAA | Edgewater Park Athletic Association |
| EPAC | Eastern Pennsylvania Athletic Conference |