| Abbreviation | Definition |
|---|---|
| CBD | Coming By Day |
| CBFI | Coastal Bulk Freight Index |
| CBI | Clean Bad Idle |
| CBJ | Chesapeake Bay Junction Buoy |
| CBL | Commercial Bill of Lading |
| CBR | California Bearing Ratio |
| CBR | Check Before Running |
| CBS | Can't Be Stopped |
| CBSA | Canada Border Services Agency |
| CBT | Counter Balance Truck |
| CBTC | Communications Based Train Control |
| CBTF | Canting Ballast Twin Foil |
| CBVH | Close Brothers Vehicle Hire |
| CC | Carrying Capacity |
| CC | Computer Cars |
| CC | Cruise Control |
| CCA | Club Coach Award |
| CCA | Cold Cranking Amperes |
| CCAA | Cameroon Civil Aviation Authority |
| CCAA | Common Cabin Air Assembly |