| Abbreviation | Definition |
|---|---|
| CCAR | Canadian Civil Aircraft Register |
| CCART | Collin County Area Regional Transit |
| CCAT | Center for Connected Automated Transportation |
| CCAT | Colorado College Alternative Transportation |
| CCATM | the Canadian Council of Motor Transport Administrators - conseil canadien des administrateurs en transport motorisé |
| CCATS | Carteret County Area Transportation System |
| CCAV | Centre for Connect and Autonomous Vehicles |
| CCAV | Centre for Connected and Autonomous Vehicles |
| CCAV | Centre for Connected Autonomous Vehicles |
| CCC | Cargo Carrying Capacity |
| CCC | Choice Capacity Class |
| CCC | Classic, Contemporary, and Custom |
| CCC | Climb Climb Climb |
| CCC | Culinary Catalytic Converter |
| CCCTA | Central Contra Costa Transit Authority |
| CCCTA | Coshocton County Coordinated Transportation Agency |
| CCD | Cargo Customs Declaration |
| CCF | Capital Construction Fund |
| CCFI | China Containerized Freight Index |
| CCIA | Capital Cargo International Airlines |