| Abbreviation | Definition |
|---|---|
| CPMR | Conference of peripheral maritime regions |
| CPNA | Conference on Peace and Nonviolent Action |
| CPOC | Conference Prison Outreach Committee |
| CPOW | Confessioneel Primair Onderwijs Waterland |
| CPPA | Conference For Progressive Political Action |
| CPPCC | Chinese People's Political Consultative Conference |
| CPPCC | Political Consultative Conference |
| CPS | Conference Publishing Services |
| CPSL | Conference on Production Systems and Logistics |
| CPVS | Composite Pressure Vessel Symposium |
| CR | Conference Record |
| CR | Conference Room |
| CRAC | Chemical Regulatory Annual Conference |
| CRAD | International Conference on the use of Computers in RADiation Therapy |
| CRC | Corporate Researchers Conference |
| CRCE | China Retail Convention Exhibition |
| CREDAI | Confederation of Real Estate Developers Association of India |
| CREDAI | Confederation of Real Estate Developers Associations of India |
| CREDAI | Confederation of Real Estate Developers' Associations of India |
| CRES | Conferences Reservations and Event Services |