ECUA
| Acronym | Definition |
|---|---|
| ECUA | Ecuador |
| ECUA | Emerald Coast Utilities Authority (Florida) |
| ECUA | European Conference on Underwater Acoustics |
| ECUA | Essential Car User Allowance (UK) |
| ECUA | Escambia County Utility Authority |
| ECUA | Evangel Christian University of America |