| PPT | Preproduction Test | 生产前试验, 试制性试验 |
| PPT | PowerPoint | 演示文件 |
| PPT | Parts Per Thousand | 千分之... |
| PPT | Parts Per Trillion | 万亿分之... |
| PPT | Probabilistic Potential Theory | 概率位势理论 |
| PPT | Prompt Loading | 即时装船 |
| PPT | Processor Per Track | 处理道 |
| PPT | PROMPT | 迅速准时 |
| PPT | Papeete, French Polynesia - International Tahiti-Faaa (Airport Code) | 法属波利尼西亚帕皮提-国际大溪地法阿（机场代码） |
| PPT | Power Point File format/extension (Microsoft) | 灵能点文件格式/扩展(微软) |
| PPT | Program Planning Team | 项目规划团队 |
| PPT | Patria Para Todos (Homeland for All, political party) | Patria Para Todos（全民家园，政党） |
| PPT | Public Pay Telephone | 公共付费电话 |
| PPT | People's Party of Timor (East Timor) | 人民党的东帝汶(东帝汶) |
| PPT | Plunge Protection Team | 跳水防护队 |
| PPT | Propagation Prediction Tool | 传播预测工具 |
| PPT | Physical Prototyping Team | 物理原型团队 |
| PPT | Precision Position Tracker (optical tracking system used in virtual reality) | 精密位置跟踪器（虚拟现实中使用的光学跟踪系统） |
| PPT | Professional Poker Tour | 职业扑克之旅 |
| PPT | Personal Productivity Tool (usually meaning a personal computer) | 个人生产力工具（通常指个人电脑） |
| PPT | Program Performance Test | 程序性能测试 |
| PPT | Pink Poogle Toy (website) | 粉红小狗玩具（网站） |
| PPT | part(s)per thousand | 千分之一 |
| PPT | part per thousand | 千分之一 |
| PPT | parietal pleural tissue | 壁胸膜组织 |
| PPT | positive pressure therapy | 正压疗法 |
| PPT | Project Progress Tracking | 项目进度跟踪 |
| PPT | Pre-Placement Talk | 安置前谈话 |
| PPT | Processing Program Table | 处理程序表 |
| PPT | People, Process, And Technology | 人员、流程和技术 |
| PPT | Prisoner Processing Team | 囚犯处理小组 |
| PPT | People Policy Technology | 人员政策技术 |
| PPT | Presentation (MS PowerPoint) | 演示文稿（MS PowerPoint） |
| PPT | Putnam Premier Income Trust | 普特南卓越收益信托 |
| PPT | Protective Pacesetters Toastmasters club | 保护步行者演讲会俱乐部 |
| PPT | Papeete, Tahiti | 塔希提岛帕皮提 |
| PPT | Project Placement and Training | 项目安置和培训 |
| PPT | Pre-Production Test | 生产前测试 |
| PPT | Post Production Test | 生产后试验 |
| PPT | Princess Peach Toadstool (Mario Games) | 桃子公主蛤蟆池（马里奥游戏） |
| PPT | Personally Procured Transportation | 个人采购运输 |
| PPT | Part Per Trillion | 每万亿份 |
| PPT | prone-position test | 俯卧位试验 |
| PPT | President Pro Tempore | 临时主席 |
| PPT | partial prothrombin time | 部分凝血酶原时间 |
| PPT | Punkter Per Tomme (Norwegian: Dots Per Inch) | Punkter Per Tomme（挪威语：每英寸点数） |
| PPT | Planned Parenthood of Toronto | 多伦多计划生育 |
| PPT | phenylalanine-pyruvate transaminase | 苯丙氨酸丙酮酸转氨酶 |
| PPT | Program Processing Table | 程序处理表 |
| PPT | Pay-Per-Transaction | 每笔交易付款 |
| PPT | primary prevention trial | 一级预防试验 |
| PPT | Partial Prothrombine Time | 部分凝血酶原时间 |
| PPT | Precipitate (chemistry) | 沉淀（化学） |
| PPT | Program Properties Table (MVS Operating System) | 程序属性表（MVS操作系统） |
| PPT | Pupil Personnel Team | 学生人事团队 |
| PPT | Pacific Prevailing Time | 太平洋盛行时间 |
| PPT | Precision Pressure Transducer | 精密压力传感器 |
| PPT | Paid Part-Timer | 付费部分计时器 |
| PPT | Presidential Prayer Team | 总统祈祷队 |
| PPT | Planning & Placement Team | 规划布局团队 |
| PPT | Pass Prediction Table | 通过预测表 |
| PPT | Partners for Public Transportation | 公共交通合作伙伴 |
| PPT | Peak Power Tracker | 峰值功率跟踪器 |
| PPT | Production Prove-out Test | 生产验证测试 |
| PPT | Principles and Parameter Theory | 原理和参数理论 |
| PPT | precipitate | 加速 |
| PPT | Product Positioning Time | 产品定位时间 |
| PPT | Pulsed Plasma Thruster | 脉冲等离子推进器 |
| PPT | Pulse Pair Timing | 脉冲对定时 |
| PPT | Positive Partial Transpose | 正部分转座 |
| PPT | Process Project Teams | 流程项目团队 |
| PPT | Postponed (baseball) | 推迟（棒球） |
| PPT | Percentage Points (financial reports) | 百分比（财务报告） |
| PPT | Powered Pallet Truck | 动力托盘车 |
| PPT | Primitive Pythagorean Triple (ordered triple of relatively prime integers that satisfy the Pythagorean theorem) | 原始勾股三元组（满足勾股定理的相对素数的有序三元组） |
| PPT | Processing Program Table (CICS) | 处理程序表（CICS） |