CPD
- CPD (gene)
- Cambridge Police Department (Massachusetts)
- Camden Police Department (defunct)
- Camperdown railway station
- Canonical polyadic decomposition
- Carmel Police Department (Indiana)
- Carnet de Passages en Douane
- Centre for Policy Development
- Centre for Policy Dialogue
- Centres of Plant Diversity
- Cephalopelvic disproportion
- Charleston Police Department (West Virginia)
- Chattanooga Police Department
- Chicago Police Department
- Chronic pulmonary disease
- Cincinnati Police Department
- Cleveland Police Department
- Collaborative product development
- Columbus Police Department
- Commission on Presidential Debates
- Committee on the Present Danger
- Conditional probability distribution
- Congress of People's Deputies (disambiguation)
- Constitutional Practice and Discipline
- Construction Products Directive
- Continuing professional development
- Coober Pedy Airport
- Copy/Paste Detector
- Crush protection device
- Cyclobutane pyrimidine dimer
- Cyclopentadiene
- Cyproterone acetate
- Danio margaritatus
- Town of Carmel Police Department (New York)