| PIT | phase inversion tenperature | 相反转温度 |
| PIT | Radioimmunotherapy | 放射免疫治疗 |
| PIT | Productivity Improvement Team | 生产力提升小组 |
| PIT | Pittsburgh, PA, USA - Greater Pit International Airport (Airport Code) | 美国宾夕法尼亚州匹兹堡-大坑国际机场（机场代码） |
| PIT | Policy Implementation Tools | 策略实施工具 |
| PIT | Parti Ivorien des Travailleurs (French: Ivorian Worker's Party, Ivory Coast) | Ivorien des Travailleurs(法语魁人党:科特迪瓦的工人,象牙海岸) |
| PIT | Progressive Intensity Training (fitness) | 渐进式强度训练（健身） |
| PIT | Principal, Interest & Taxes | 本金、利息和税 |
| PIT | Personal Income Tax | 个人所得税 |
| PIT | Independence and Labor Party (Senegal) | 独立与工党（塞内加尔） |
| PIT | Platform Information Technology | 平台信息技术 |
| PIT | Process Improvement Team | 流程改进团队 |
| PIT | Project Integration Team | 项目集成团队 |
| PIT | Powered Industrial Truck | 动力工业卡车 |
| PIT | Point-in-Time | 时间点 |
| PIT | Post Implementation Team | 实施后团队 |
| PIT | Programmable Interval Timer | 可编程间隔计时器 |
| PIT | Passive Integrated Transponder | 无源集成转发器 |
| PIT | Pulsed Inductive Thruster | 脉冲感应推进器 |
| PIT | Product Improvement Tests | 产品改进测试 |
| PIT | Programmable Interrupt Timer | 可编程中断定时器 |
| PIT | Passive Injectable Transponders | 无源可注入转发器 |
| PIT | Pittsburgh Steelers | 匹兹堡钢人队 |
| PIT | plasma iron turnover | 等离子铁周转 |
| PIT | Post Installation Test | 安装后测试 |
| PIT | patellar inhibition test | 髌骨抑制试验 |
| PIT | Programmer Integration Testing | 程序员集成测试 |
| PIT | Pressure Integrity Test | 压力完整性试验 |
| PIT | plaque inhibition test | 斑块抑制试验 |
| PIT | perceived illness threat | 感知疾病威胁 |
| PIT | Pilot Induced Turbulence | 先导诱导湍流 |
| PIT | pacing-induced tachycardia | 起搏诱发心动过速 |
| PIT | Persimmon IT, Inc. | 柿子IT公司。 |
| PIT | prolonged intermittent therapy | 长期间歇性治疗 |
| PIT | Percussion In Training | 训练中的敲击 |
| PIT | Permit Improvement Team (EPA) | 许可证改进小组（EPA） |
| PIT | Pursuit Intervention Technique | 追踪干预技术 |
| PIT | Pittsburgh International Airport | 匹兹堡国际机场 |
| PIT | Precision Immobilization Technique | 精密固定技术 |
| PIT | Police Induction Training | 警察上岗培训 |
| PIT | People For Interspecies Tolerance | 种族间宽容的人 |
| PIT | Procurement Incarceration And Treatment | 采购处罚和处理 |
| PIT | Pilot In Training | 飞行员培训 |
| PIT | Pray Invite Tell | 祈祷邀请告诉 |
| PIT | Platinum In Training | 培训白金 |
| PIT | Production, Implementation, And Training | 生产、实施和培训 |
| PIT | Personal Identification Tags | 个人识别标签 |
| PIT | Penis Is Tiny | 阴茎很小 |
| PIT | Photo Interpretation Tool | 照片解释工具 |
| PIT | Positive Information Topology | 正信息拓扑 |
| PIT | Peanut Income Tax | 花生所得税 |
| PIT | Patrol, Investigation, and Traffic | 巡逻、调查和交通 |
| PIT | Principal, Interest, Taxes. | 本金、利息、税款。 |
| PIT | Point In Time copies | 时间点拷贝 |
| PIT | Preintegrated Truss | 预集成特拉斯 |
| PIT | Pressure Indicating Transmitter | 压力指示变送器 |
| PIT | Pepperdine Improv Troupe (Pepperdine University, California) | 佩珀代因即兴剧团（加利福尼亚州佩珀代恩大学） |
| PIT | Part-Time/Intermittent/Temporary Employee | 兼职/间歇/临时雇员 |
| PIT | Progressive Income Tax(ation) | 累进所得税 |
| PIT | Prohibited Items Test | 禁用项目测试 |
| PIT | Potential Impacts Table | 潜在影响表 |
| PIT | Pituitary-Specific Transcription | 垂体特异性转录 |
| PIT | Pursuit Intervention Technique (police high-speed pursuit tactic) | 追捕干预技术（警察高速追击战术） |
| PIT | Pennsylvania Institute of Taxidermy | 宾夕法尼亚州动物标本学研究所 |
| PIT | Product Insertion Trip | 产品插入行程 |
| PIT | Partners in Transformation | 转型合作伙伴 |
| PIT | Product Integration Team | 产品集成团队 |
| PIT | Personal Inventory Taking | 个人盘点 |
| PIT | Pilot Instructor Training | 飞行员教员培训 |
| PIT | Precision Immobilization Technique (police high-speed pursuit tactic) | 精确固定技术（警察高速追击战术） |
| PIT | Photometric Imaging Telescope | 光度成像望远镜 |
| PIT | Pennsylvania Institute of Technology (Media, Pennsylvania) | 宾夕法尼亚理工学院（宾夕法尼亚州媒体） |
| PIT | Processor Interface Table | 处理器接口表 |
| PIT | Passport In Time | 及时护照 |
| PIT | Compressed Macintosh file archive (PackIt) | 压缩Macintosh文件存档（PackIt） |
| PIT | Per Iter Tenebricosum | 根据Iter Tenebricosum |
| PIT | Precision Intervention or Pursuit Intervention Technique | 精确干预或追踪干预技术 |
| PIT | People In Touch | 联系人 |
| PIT | Property Inventory Tasking | 财产清单任务 |
| PIT | Personnel In Training | 培训人员 |
| PIT | Peach International Tennis | 桃子国际网球 |
| PIT | Priest In Training | 训练中的牧师 |
| PIT | Pepperdine Improv Troupe | 佩珀代因即兴剧团 |
| PIT | Pittsburgh International Airport, Pittsburgh, Pennsylvania USA | 美国宾夕法尼亚州匹兹堡匹兹堡国际机场 |
| PIT | Pyramide Internet Technologies | Pyramide互联网技术 |
| PIT | Pre-Integration Testing | 集成前测试 |
| PIT | Presbyterians In Training | 培训中的长老会 |
| PIT | Production Implementation And Training | 生产实施和培训 |
| PIT | Personal Improvement Tools | 个人改进工具 |
| PIT | Principal Interest And Taxes | 本金利息和税款 |
| PIT | Power Integrity And Tolerance | 电源完整性和容差 |
| PIT | Prophet In Training | 先知在训练 |
| PIT | Pennsylvania Institute of Technology | 宾夕法尼亚理工学院 |