PCB
- Bible translations into Persian
- Bolshevik Communist Party
- Brazilian Communist Party
- Communist Party of Belgium
- Communist Party of Belgium (1989)
- Communist Party of Bolivia
- PCB (software)
- PCB Piezotronics
- PCBoard
- Pablo Carreño Busta
- Pacific Coast Borax Company
- Pakistan Cricket Board
- Panama City Beach, Florida
- Papillary carcinomas of the breast
- Penetration-cum-blast
- Perfect Cherry Blossom
- Plenum chamber burning
- Police Complaints Board
- Polychlorinated biphenyl
- Pondok Cabe Airport
- Printed circuit board
- Process control block
- Public call box