| CPST | Child Passenger Safety Technician | 儿童乘客安全技术员 |
| CPST | Commission on Professionals in Science and Technology | 科学和技术专业人员委员会 |
| CPST | Checkpoint Software Technologies, Inc. | Checkpoint软件技术公司。 |
| CPST | Corruption, Poverty, Struggle, and Triumph | 腐败、贫困、斗争和胜利 |
| CPST | Classical Perturbation Scattering Theory | 经典扰动散射理论 |
| CPST | Cable Programming Services Tier | 电缆编程服务层 |
| CPST | Community Psychiatric Supportive Treatment (Ohio) | 社区精神病支持治疗（俄亥俄州） |
| CPST | Community Partnership Support Team | 社区伙伴关系支持团队 |