| Acronym | Definition |
|---|
| PCN | Product Change Notification |
| PCN | Pennsylvania Cable Network |
| PCN | Penicillin |
| PCN | Penalty Charge Notice (UK parking ticket) |
| PCN | Primary Care Network |
| PCN | Pitcairn Islands (ISO Country code) |
| PCN | Partido de Conciliacion Nacional (Spanish: National Conciliation Party, El Salvador) |
| PCN | Proceso de Comunidades Negras (Spanish: Black Communities Process; Colombia) |
| PCN | Polychlorinated Naphthalenes |
| PCN | Personal Communication Network |
| PCN | Process Change Notice |
| PCN | Polychlorinated Naphthalene |
| PCN | Pre-Construction Notification (Office of Surface Mining) |
| PCN | Pavement Classification Number |
| PCN | Pilipino Cultural Night |
| PCN | Project Concept Note |
| PCN | PointCast Network |
| PCN | Position Control Number |
| PCN | Percutaneous Nephrostomy |
| PCN | Personal Computer Network |
| PCN | Process Control Network |
| PCN | Public Convenience and Necessity |
| PCN | Plano de Continuidade de Negócios (Portugese: Business Continuity Plan) |
| PCN | Processor Control Number (pharmacy routing, Medicare) |
| PCN | Proceso de Comunidades Negras En Colombia (Spanish: Process of Black Communities in Colombia) |
| PCN | Parking Charge Notice (UK) |
| PCN | Public Communications Network |
| PCN | Prior Coordination Notice (FCC) |
| PCN | Pacific Coast News |
| PCN | Personnel Certification in Non-Destructive Testing |
| PCN | Partido Conservador de Nicaragua (Conservative Party of Nicaragua) |
| PCN | Property Control Number |
| PCN | Pimicikamak Cree Nation (Canada) |
| PCN | Product Control Number |
| PCN | Publication Code Number |
| PCN | Policy Criteria Notice |
| PCN | Point Comfort and Northern (railroad) |
| PCN | Project Control Number |
| PCN | Parts Change Notice |
| PCN | Publication Control Number |
| PCN | Program Change Notice |
| PCN | Program Control Number |
| PCN | Product Correction Notice |
| PCN | Prime Contract Number |
| PCN | Production Control Number |
| PCN | Physics and Chemistry of Nanostructures |
| PCN | Power Control Network |
| PCN | Procurement Control Number |
| PCN | Personnel Control Number |
| PCN | Part Control Number |
| PCN | Project Completion Notice |
| PCN | Pecked Curvilinear Nucleated (archaeology) |
| PCN | Presbyterian Church in Needham (Needham, Massachusetts) |
| PCN | Power Reactor & Nuclear Fuel Development Corp (Japan) |
| PCN | Publication Change Notice |
| PCN | Proposed Change Notice |
| PCN | Police Cantonale de Neuchâtel (Switzerland) |
| PCN | Planning Change Notice |
| PCN | Payment Clearing Network |
| PCN | Philadelphia Construction News |
| PCN | Proposal Control Number |
| PCN | Pulse Compensation Network |
| PCN | Production Change Number |
| PCN | Procedures Change Notice |
| PCN | Porsche Club of Netherlands |
| PCN | PaidClicks Network |
| PCN | Provisioning Control Number |