| Abbreviation | Definition |
|---|---|
| COG | Child Of God |
| COG | Covenant Of Grace |
| COGIC | Church Of God in Christ |
| COGS | Confirmation Opportunities For Growth Service |
| COH | Christian Outreach to the Handicapped |
| COHS | Cherishing Our Hearts and Souls |
| COI | Church Of Iron |
| COLF | Catholic Organization for Life and Family |
| COLT | Christian Outdoor Leadership Training |
| COMET | Children Of Missionaries Education and Training |
| COMPASS | Counselling On Merseyside Pastoral And Support Service |
| CONG | Conregation |
| COOF | Catholic Order of Foresters |
| COOL | Children Of Our Lord |
| COOL | Christ Ordering Our Lives |
| COOL | Christ Our Only Leader |
| COOL | Christ Our Only Lord |
| COOL | Christ Over Our Lives |
| COOL | Christian Outreach Of Lutherans |
| COOL | Church On Our Level |