| Abbreviation | Definition |
|---|---|
| COC | Christian Opportunity Center |
| COC | Christian Outreach Centre |
| COC | Circle Of Companions |
| COC | Council Of Clerics |
| COCB | Christian Outreach College Brisbane |
| COCH | Council Of Christian Hospitals |
| COCM | Chinese Overseas Christian Mission |
| COCU | Council on Christian Unity |
| COD | Care Of the Devil |
| COD | Church Of Darkness |
| CODN | Christian Open Development Network |
| COE | Christian-Oriented Education |
| COE | Church Of England |
| COEBA | Conference On Evangelizing Black America |
| COF | Catholic Order of Foresters |
| COF | Christians Of Faith |
| COF | Community Of Faith |
| COF | Cross Of Fire |
| COFA | Christian Outdoor Fellowship of America |
| COFC | Church OF Christ |