| dBCI | Decibels with respect to a Circularly-polarized Isotropic radiator 
| Others |
| DBCI | Digital Behaviour Change Intervention
| Others |
| DBCI | Diploma of the Business Continuity Institute
| Others |
| DBCI | Disseminated Bacterial or Candidal Infection
| Others |
| DBCI | Door and Building Components, Incorporated
| Others |
| DBCI | Double Bulk Current Injection
| Others |