| Abbreviation | Definition |
|---|---|
| CFC | Chloro Fluoro Carbon |
| CFC | Combination Friction Clutch |
| CFCA | Central Florida Corvette Association |
| CFCA | Comparative Fleet Cost Analysis |
| CFCF | Central Flow Control Function |
| CFCL | Chicago Freight Car Leasing |
| CFF | Clean Fuel Fleet |
| CFFS | Coolant Flush and Fill System |
| CFI | Central Fuel Injection |
| CFI | Cross Fire Injection |
| CFIT | Controlled Flight Into Terrain |
| CFL | Central Freight Lines |
| CFL | Certified Freight Logistics |
| CFMP | California Freight Mobility Plan |
| CFMWP | Central Flow Weather Service Unit |
| CFN | Combined Freight Network |
| CFPP | Cold Filter Plug Point |
| CFPT | Citizens for Progressive Transit |
| CFR | C??ile Ferate Rom??ne(Romanian Railways) |
| CFR | Caile Ferate Române(Romanian Railways) |