| PCU | Pacific Coast University 
| Others |
| PCU | Pack Control Unit
| Others |
| PCU | Packet Control Unit
| Others |
| PCU | Painesville Credit Union
| Others |
| PCU | Palliative Care Unit
| Others |
| PCU | Palmer Chiropractic University
| Others |
| PCU | Partido Comunista Unido
| Others |
| PCU | Pasco County Utilities
| Others |
| PCU | Pass Christian University
| Others |
| PCU | Passenger Car Unit
| Others |
| PCU | Passenger Car Units
| Others |
| PCU | Passenger Control Unit
| Others |
| PCU | Pasta Carbonara Usually
| Others |
| PCU | Patient Care Unit
| Others |
| PCU | Pawtucket Credit Union
| Others |
| PCU | Payload Checkout Unit
| Others |
| PCU | Peninsula Credit Union
| Others |
| PCU | Peptic Colon Ulcer
| Others |
| PCU | Performance Control Unit
| Others |
| PCU | Performance Cost Unit
| Others |
| PCU | Peripheral Control Unit
| Others |
| PCU | Philippine Christian University
| Others |
| PCU | Picayune, Mississippi USA
| Others |
| PCU | Pilot Control Unit
| Others |
| PCU | Plant Conservation Unit, University of Cape Town
| Others |
| PCU | Platinum-Cobalt Unit
| Others |
| PCU | Politically Correct University
| Others |
| PCU | Pollution Control Unit
| Others |
| PCU | PolyCarbonate Urethane
| Others |
| PCU | Pop Culture Universe
| Others |
| PCU | Population Correction Unit
| Others |
| PCU | Port Chester University
| Others |
| PCU | Portable Calibration Unit
| Others |
| PCU | Portable Computer Unit
| Others |
| PCU | Portion Controlled Unit
| Others |
| PCU | Portland City United
| Others |
| PCU | Position Consolidated Unified
| Others |
| PCU | Position Control Update
| Others |
| PCU | Power and Cooling Unit
| Others |
| PCU | Power Closing Unit
| Others |
| PCU | Power Conditioning Unit
| Others |
| PCU | Power Connection Unit
| Others |
| PCU | Power Control Unit
| Others |
| PCU | Power Control Units
| Others |
| PCU | Power Conversion Unit
| Others |
| PCU | Power Cylinder Unit
| Others |
| PCU | Powertrain Control Unit
| Others |
| PCU | Pre Commissioning Unit
| Others |
| PCU | Pre-Commissioning Unit
| Others |
| PCU | Precision Camera University
| Others |
| PCU | Pressure Control Unit
| Others |
| PCU | Primary Care Unit
| Others |
| PCU | Process Control Unit
| Others |
| PCU | Processor Cooling Unit
| Others |
| PCU | Production Control Units
| Others |
| PCU | Professional Competency Units
| Others |
| PCU | Progressive Care Unit
| Others |
| PCU | Progressive Christians Uniting
| Others |
| PCU | Project Coordination Unit
| Others |
| PCU | Prolink Computer Unit
| Others |
| PCU | Protective Combat Uniform
| Others |
| PCU | Proxima Centauri Universe
| Others |
| PCU | Psi Chrono Unit
| Others |
| PCU | Pueblo Canario Unido
| Others |
| PCU | Pump Control Unit
| Others |