PCN
- BINDT
- Paisley Canal railway station
- Partido de Conciliación Nacional
- Partidul Comuniştilor (Nepecerişti)
- Pavement classification number
- Pecked curvilinear nucleated
- Penalty Charge Notice
- Penicillin
- Pennsylvania Cable Network
- Percutaneous nephrolithotomy
- Personal Computer News
- Personal communications network
- Pitcairn Islands
- Polychlorinated naphthalene
- Polycycnis
- Post Christum natum
- Potato cyst nematode
- Process control network
- Product change notification
- Program Composition Notation
- Putnam City North High School