FCBI
| Acronym | Definition |
|---|---|
| FCBI | Frederick County Bancorp, Inc. (Frederick, MD) |
| FCBI | Facultad de Ciencias Básicas e Ingeniería (Spanish: Faculty of Basic Sciences and Engineering; Colombia) |
| FCBI | Flow-Condition-Based Interpolation |
| FCBI | Faith and Character Based Institution (Florida Department of Corrections) |
| FCBI | Functional Configuration Baseline Index |