| PISA | Professional Investigators and Security Association | 专业调查员和安全协会 |
| PISA | Perspectives of Intelligent Systems' Assistance (workshop) | 智能系统的角度帮助(车间) |
| PISA | Privacy Incorporated Software Agent (EU) | Privacy Incorporated Software Agent（欧盟） |
| PISA | Proximal Isovelocity Surface Area (echocardiography) | 近端等速表面积（超声心动图） |
| PISA | Program For International Student Assessment | 国际学生评估计划 |
| PISA | PHENIX Integrated Simulation Package | PHENIX集成仿真包 |
| PISA | Portable Instruction Set Architecture (MIPS-like instruction set) | 可移植指令集架构（类似MIPS的指令集） |
| PISA | Portable Instruction Set Architecture | 可移植指令集体系结构 |
| PISA | Programme for International Student Assessment | 国际学生评估计划 |
| PISA | Phoenix International Sport Automobiles | 凤凰国际运动汽车 |
| PISA | Private Investigators and Security Agencies (Canada) | 私人调查员和安全机构（加拿大） |
| PISA | Phenix Integrated Simulation Application | Phenix集成仿真应用 |
| PISA | Portable Information System Architecture | 便携式信息系统架构 |
| PISA | Parachute Industries Of Southern Africa | 南非降落伞工业 |
| PISA | Polymorphic Instruction Set Architecture | 多态指令集体系结构 |
| PISA | Photovoltaic Information System For Architects | 建筑师光伏信息系统 |
| PISA | Penang International Sports Arena | 槟城国际体育竞技场 |
| PISA | Photovoltaic Information Strategy To Architects | 建筑师的光伏信息策略 |
| PISA | Program for International Student Assessment (US) | 国际学生评估计划（美国） |
| PISA | Position Intensity And Shape Analysis | 位置强度和形状分析 |