| 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) |