- DBCI stands for Decibel (referenced to circularly polarized isotropic radiator)
- DBCI stands for Disseminated Bacterial or Candidal Infection
- DBCI stands for Dagupan Bus Company, Inc.
- DBCI stands for DOOH (Digital Out-of-Home) Business Climate Index (Out-of-Home Video Advertising Bureau Europe; Germany)
- DBCI stands for Doors and Building Components Inc. (Douglasville, GA)
- DBCI stands for Deutsche Bank Commodities Index (Germany)
DBCI