| Abbreviation | Definition |
|---|---|
| ERS | Emotional RoadShow |
| ERS | Emotional Roadshow (Twenty One Pilots tour 2016) |
| ES | Electric Spanish (guitar type) |
| ES | Extended Surround |
| ESB | Endless Summer Band |
| ESC | Eurovision Song Contest |
| ESCM | Electric Sky Church Music |
| ESME | Eclectic String Music Ensemble |
| ESMP | Evergreen Student Music Project |
| ESMS | Extremely Simple Music System |
| ESO | Elgin Symphony Orchestra |
| ESO | Ensemble Studios On-line |
| ESOM | Encinitas School of Music |
| ESOM | Eternity Source of Music |
| ESP | Eric Singer Project |
| ESSO | Estonian State Symphony Orchestra |
| EST | Ensemble Studio Theatre |
| EST | Everyone Stand Together |
| EST | Everyone Stands Together |
| ESTB | Elvis Sings The Blues |