| Acronym | Definition |
|---|
| ECRO➣Escuela de Conservación y Restauración de Occidente (Spanish: School of Conservation and Restoration of the West; Mexico) |
| ECRO➣European Chemoreception Research Organisation (Paris, France) |
| ECRO➣Esquema Conceptual Referencial y Operativo (social psychology concept developed by E. Pichón Rivière) |
| ECRO➣Electronic Court Recorder Operators |
| ECRO➣Eastern Canadian Regional Oireachtas |