CPC
- Amstrad CPC
- CP Air
- CPC (company)
- CPC Corporation
- Calcined petroleum coke
- California
- California Policy Center
- California Preparatory College
- Calling party control
- Canada Post Corporation
- Canadian Army Advanced Warfare Centre
- Canadian Paralympic Committee
- Cape Photographic Catalogue
- Cartesian Perceptual Compression
- Cascade Pacific Council
- Caspian Pipeline Consortium
- Center for Plant Conservation
- Central Product Classification
- Centrifugal partition chromatography
- Cephalosporin C
- Certificate of Professional Competence
- Certified Professional Coder
- Cetylpyridinium chloride
- Charles Perkins Centre
- Chinese Communist Party
- Choroid plexus cyst
- Civil procedure
- Clapham Common tube station
- Climate Prediction Center
- Coalition of Patriots for Change
- College Preparatory Center
- Commission for the Prevention of Corruption of the Republic of Slovenia
- Communist Party of Canada
- Communist Party of Canada (Marxist–Leninist)
- Communist Party of Cuba
- Community Patent Convention
- Complete blood count
- Compound parabolic concentrator
- Computer Physics Communications
- Condensation particle counter
- Congress for Progressive Change
- Congressional Progressive Caucus
- Connected Places Catapult
- Conservative Party Conference
- Conservative Party of Canada
- Consolidated Pastoral Company
- Consumer Protection Committee
- Cooperative Patent Classification
- Corn Products Company
- Cost Per Click
- Country of Particular Concern
- Covenant Presbyterian Church
- Crisis pregnancy center
- Cumberland Presbyterian Church
- Custom PC
- High Point Schools
- List of central purchasing bodies in the United Kingdom
- Montenegrin Orthodox Church
- Piano Concerto No. 1 (Chopin)
- Piano Concerto No. 2 (Chopin)
- Progressive Party of Working People
- Shell (projectile)