| Acronym | Definition |
|---|
| ECBC | Examen Cytobactériologique des Crachats (French: Sputum Cytology Examination) |
| ECBC | Enterprise Cape Breton Corporation (Canada) |
| ECBC | Edgewood Chemical and Biological Center (US Army; Edgewood Arsenal, MD, USA) |
| ECBC | Eastern Contract Bridge Centre (cards; Australia) |
| ECBC | Energy Conservation Building Codes (India) |
| ECBC | East Cornwall Bach Choir (UK) |
| ECBC | Empress Chinchilla Breeders Cooperative |
| ECBC | Evangelical Chinese Bible Church |
| ECBC | Espérance Chartres de Bretagne Cyclotourisme (French bicycling club) |
| ECBC | Eton College Boat Club (UK) |
| ECBC | École Cléonnaise de Boxe Chinoise (French boxing school; martial arts) |
| ECBC | East Coast Baptist Church (Virginia Beach, VA) |
| ECBC | Eastern Chinese Bible Conference, Inc. (Fishkill, NY) |