| Acronym | Definition |
|---|
| BCI | Brain-Computer Interface |
| BCI | Bat Conservation International |
| BCI | Business Continuity Institute |
| BCI | Banca Commerciale Italiana (Italian bank) |
| BCI | Business Cycle Indicators |
| BCI | Banco de Credito e Inversiones (Chilean bank) |
| BCI | Bell Canada International |
| BCI | Bureau of Criminal Investigation |
| BCI | Battery Council International |
| BCI | Bulk Current Injection |
| BCI | Bonsai Clubs International |
| BCI | Broadcast Interference |
| BCI | Better Cotton Initiative |
| BCI | Bureau of Criminal Identification & Investigation |
| BCI | Business Communications, Inc. |
| BCI | Baltic Capesize Index (shipping) |
| BCI | BCI Construction, Inc. (construction, construction management) |
| BCI | Brantford Collegiate Institute (Brantford, Ontario, Canada) |
| BCI | Basic Commerce and Industries, Inc. |
| BCI | Basic Commerce and Industries, Inc |
| BCI | Boa Constrictor Imperator (herpetoculture) |
| BCI | Background Check information |
| BCI | Bit Count Integrity |
| BCI | Black Church Initiative |
| BCI | Border Coordination Initiative |
| BCI | Brigade Combat Team (US Army) |
| BCI | Boston Chicken Inc. (stock symbol) |
| BCI | Berkley Conservation Institute |
| BCI | Billing Concepts, Inc. |
| BCI | Business Community Integration |
| BCI | building construction industry |
| BCI | Blind Channel Identification |
| BCI | Binary Coded Information |
| BCI | Brain Center International |
| BCI | Biotechnology Citation Index |
| BCI | Bangladesh Counter Intelligence (fictional) |
| BCI | Backup Capacity Information |
| BCI | Bowker Consulting International |
| BCI | Basic Criminal Investigations |
| BCI | Board Certified in Insurance |
| BCI | Bethune Collegiate Institute (Agincourt, Ontario) |
| BCI | Norman Bethune Collegiate Institute (Ontario) |
| BCI | Business Credit Insurance |
| BCI | Battle Command Institute |
| BCI | Budgetary Cost Information |
| BCI | Battery Charging Indicator |
| BCI | Backward Curved Impeller (air moving device) |
| BCI | Bulk Check In |
| BCI | Black Control Interface |
| BCI | Braun Consulting, Inc. (Vancouver, British Columbia, Canada) |
| BCI | Bluff Creek Industries Railroad |
| BCI | Believers Church of India |
| BCI | Bernal Consultants, Inc. |
| BCI | Bellsouth Communications, Incorporated |
| BCI | BrianCo. Industries |
| BCI | Banking Confidence Index (South Africa) |
| BCI | Benevolence-Competence-Integrity (framework) |