PCD
- Christian Democratic Party (France)
- Democratic Center Party of Mexico
- Democratic Conservative Party
- Democratic Convergence Party (São Tomé and Príncipe)
- Democratic Society Party
- ISO/IEC 14443
- PCD (album)
- Palestinian Civil Defence
- Paraneoplastic cerebellar degeneration
- Partnership for Child Development
- Party of the Democratic Centre (Spain)
- Personal Communications Devices
- Phillips, Craig and Dean
- Phlegmasia cerulea dolens
- Photo CD
- Picard language
- Picture CD
- Pitch Circle Diameter
- Point Cloud Library
- Polycrystalline diamond
- Post-coital dysphoria
- Primary ciliary dyskinesia
- Process control daemon
- Process-centered design
- Programmed cell death
- Protocatechuate 3,4-dioxygenase
- Providence Country Day School
- The Pussycat Dolls