| Abbreviation | Definition |
|---|---|
| COFH | Central Oregon Fellowship Hall |
| COGS | Community Organisation Grants Scheme |
| COHS | County Operated Health System |
| COIGAA | Central Oregon Intergroup of AA |
| COLA | City Of Los Angeles |
| COLGA | City Of Leicester Governors Association |
| COLOSPGS | Colorado Springs |
| COLS | Corporation of Legal Settlement Representative |
| COOL | Clerk's Office On Line |
| COPP | California Office of Privacy Protection |
| CORE | COmmon REcords Retention Schedule |
| CORI | Criminal Offender Record Information |
| CORPAY | Corporate Payroll |
| CORT | County Operations Review Team |
| COS | City Of Stirling |
| COSAC | County Open Space Advisory Committee |
| COSD | Committee On Social Development |
| COSINE | Coordinated Survey Information Network Exchange (Ontario, CA) |
| COSL | Commissioner of State Lands |
| COSLA | Convention Of Scottish Local Authorities |