| Acronym | Definition |
|---|
| ECRB➣Extensor Carpi Radialis Brevis |
| ECRB➣Entreprise de Construction et Rénovation de Bâtiment (French construction and renovation company) |
| ECRB➣École Communautaire Réal-Bérard (French: Réal-Bérard Community School; Canada) |
| ECRB➣East Coast Reptile Breeders |
| ECRB➣East Continent Rift Basin (various states) |
| ECRB➣Energy Community Regulatory Board (advisory body of the Energy Community |
| ECRB➣External Civil Rights Branch |
| ECRB➣Enhanced Characterization of Repository Block |
| ECRB➣External Connection Review Board |