| Acronym | Definition |
|---|
| EFFS➣European Flood Forecasting System (EU) |
| EFFS➣European Federation of Funeral Services (funeral directors' association) |
| EFFS➣Enhanced Fee-For-Service |
| EFFS➣Electronic Financial Filing System (Canada) |
| EFFS➣Environmental and Facilities - Fire Suppression |
| EFFS➣Edmonton Folk Festival Society |