| Abbreviation | Definition |
|---|---|
| CDBA | Charlotte Dragon Boat Association |
| CDBA | Chinese Dragon Boat Association |
| CDBO | Carolina Dragon Boat Organization |
| CEBC | Canadian Electric Boat Company |
| CFG | Controlled Feeder Gate |
| CGLC | Compressed Gas Liquid Carriers |
| CHSST | Coronado High School Sailing Team |
| CIBC | Cockle Island Boat Club |
| CISA | California International Sailing Association |
| CKBC | Cross Keys Boat Club |
| CLSA | Cowan Lake Sailing Association |
| CLV | Cable Laying Vessel |
| CMBA | Classic Moth Boat Association |
| COW | Crude Oil Wash |
| CPP | Controllable Pitch Propeller |
| CS | Cruise Ship |
| CSDBA | Central States Drag Boat Association |
| CSI | Cape Sailing Institute |
| CSMBC | Carrum Sailing and Motor Boat Club |
| CSY | Caribbean Sailing Yachts |