ECCU
| Acronym | Definition |
|---|---|
| ECCU | Eastern Caribbean Currency Union |
| ECCU | Evangelical Christian Credit Union |
| ECCU | Educational Community Credit Union (various locations) |
| ECCU | Europe-China Commercial Union (Paris, France) |
| ECCU | Emergency Cardiovascular Care Update (heart care) |
| ECCU | Emergency Command Coordination Unit |
| ECCU | Electra Central Credit Union (now Advantis Credit Union; Milwaukie, OR) |