| Abbreviation | Definition |
|---|---|
| CCE | Connection Control Entry |
| CCED | California Conservation Easement Database |
| CCED | Clergy of the Church of England Database |
| CCGD | Candidate Cancer Gene Database |
| CCID | Chemical Classification and Information Database |
| CCRD | CFAR Clinical Research Database |
| CD | Cached Data |
| CD | Cloudy Data |
| CDB | Clinical Data Base |
| CDB | Constant Data Base |
| CDCDN | Castlecomer District Community Development Network |
| CDD | Canadian Disaster Database |
| CDD | Conserved Domain Database |
| CDD | Conserved Domains Database |
| CDDA | Common Database on Designated Areas |
| CDDB | Compact Disc DataBase |
| CDDB | Compact Disk Data Base |
| CDEFG | Collaborative Database Effort For Geology |
| CDH | Central Database of Handicaps |
| CDI | Constrained Data Item |