| Abbreviation | Definition |
|---|---|
| CONA | Council of Neighborhood Associations |
| CONGU | Council of National Golf Unions |
| CONO | Council of Neighbors and Organizations |
| COO | Council of Organizations |
| COOC | California Olive Oil Council |
| COPA | Council on Postsecondary Accreditation |
| COPAS | Council of Petroleum Accountants Societies |
| COPE | Council Of Pacific Education |
| COPE | Council of Protocol Executives |
| COPEC | Central Ohio Professional Education Council |
| COPFA | Council of Pakistan Foreign Affairs |
| COPIS | Council of Professor of Instructional Supervision |
| COPO | Council of Peoples Organization |
| COPS | Council of Pediatric Subspecialties |
| COPS | Council Of Professional Surveyors |
| COPS | Council of Progressive Students |
| COPT | Council on Postdoctoral Training |
| COR | Council Of Rabbis |
| COR | Council On Research |
| CORAR | Council on Radionuclides and Radiopharmaceuticals |