| Abbreviation | Definition |
|---|---|
| COCC | Center for Ocean Climate Chemistry |
| COD | Credit On Deposit |
| CODAR | Coastal Ocean Dynamics Applications Radar |
| CODATA | Committee on Data for Science and Technology |
| CODIAC | Cooperative Distributed Interactive Atmospheric Catalog |
| COES | Centers of Excellence |
| COFI | Committee on Fisheries |
| COL | Council on Ocean Law |
| COLA | Center for Ocean- Land- Atmosphere Studies |
| COLA | Centre For Ocean Land Atmosphere |
| COLA1D | Coupled Ocean- Land- Atmosphere 1- Dimensional |
| COLA1D | Coupled Ocean-Land-Atmosphere 1-Dimensional |
| COLD | Council on Oceanographic Laboratory Directors |
| COMAR | Interregional Project on Research and Training Leading to the Integrated Management of Coastal Systems |
| COMB | Center of Marine Biotechnology |
| COMPAS | Coastal Ocean Management Planning and Assessment System |
| COMPDEP | COMPlex Terrain DEPosition |
| COMPS | Coastal Ocean Monitoring and Prediction System |
| COMSER | Commission On Marine Science, Engineering, and Resources |
| CONPACSE | Coordinated Research & Monitoring Program of Marine Contamination in the SE Pacific |