| ECCB | Eastern Caribbean Central Bank 
| Others |
| ECCB | Eighteenth Century Current Bibliography
| Others |
| ECCB | El Camino Club of Bakersfield
| Others |
| ECCB | Electronic Components Certification Board
| Others |
| ECCB | Electronic Configuration Control Board
| Others |
| ECCB | Elliptic Curve Cryptography Binary
| Others |
| ECCB | Engineering Change Control Board
| Others |
| ECCB | Etobicoke Community Concert Band
| Others |
| ECCB | European Committee for Conservation of Bryophytes
| Others |
| ECCB | European Conference in Computational Biology
| Others |
| ECCB | European Conference on Computational Biology
| Others |
| ECCB | European Congress of Conservation Biology
| Others |
| ECCB | Executive Change Control Board
| Others |