PCU can refer to:
Education Pacific Coast University, a law school in Long Beach, California Pai Chai University in Daejeon, South Korea Philippine Christian University in Manila, Philippines Petra Christian University in Surabaya, Indonesia Finance PCU, a former NYSE ticker symbol for Southern Copper Corporation Patelco Credit Union, a credit union in California Politics Partido Comunista de Unificación, the Communist Unification Party in Spain Partido Comunista del Uruguay, the Communist Party of Uruguay Technology PCU, the IATA airport code for Poplarville-Pearl River County Airport Packet Control Unit, part of the Base Station Subsystem in a GSM network Passenger Car Unit, a metric used in transportation engineering Photo conductor unit, the fuser drum unit used in laser printers Peak concurrent users, a software metric of active users
Other PCU (film), a 1994 film lampooning political correctness on college campuses, set at the fictitious Port Chester University Portage Credit Union Centre, an ice hockey and recreational complex in Portage la Prairie, Manitoba Pre-Commissioning Unit, a description used for United States Navy vessels prior to commission and the personnel units assigned to them Progressive care unit, an intermediate coronary care unit