| PPA | Polyphthalamide | 聚邻苯二甲酰胺 |
| PPA | Parallel Processing Automata | 并行处理自动机 |
| PPA | Pulmonary Artery Pressure | 肺动脉压，灌注压 |
| PPA | Protocols of Provisional Application | 暂行实施议定书 |
| PPA | Pennsylvania Petroleum Association | 宾夕法尼亚石油协会 |
| PPA | Pesticide Producers Association | 农药生产者协会 |
| PPA | Pharmaceutical Producers Association | 药品生产商协会 |
| PPA | Physiotherapy Pain Association (UK) | 物理治疗疼痛协会（英国） |
| PPA | Pennsylvania Pharmacists Association | 宾夕法尼亚州药剂师协会 |
| PPA | Professional Photographers Association (now the British Institute of Professional Photography) | 专业摄影师协会（现为英国专业摄影学会） |
| PPA | Pacific Planetarium Association | 太平洋天文馆协会 |
| PPA | Professional Programmers Association | 专业程序员协会 |
| PPA | Periodical Publishers Association | 期刊出版商协会 |
| PPA | Professional Putters Association | 职业推杆协会 |
| PPA | Perennial Plant Association | 多年生植物协会 |
| PPA | Professional Photographers of America | 美国专业摄影师协会 |
| PPA | Promotional Products Association (International) | 促销产品协会（国际） |
| PPA | Poker Players Association | 扑克玩家协会 |
| PPA | Pin Point Accuracy | 固定点精度 |
| PPA | Professional Pharmacy Alliance | 专业药房联盟 |
| PPA | Princeton-Pennsylvania Proton Accelerator | 普林斯顿宾夕法尼亚质子加速器 |
| PPA | Professional Practices Assessment (Canada) | 专业实践评估（加拿大） |
| PPA | Partners in Personal Assistance | 个人援助合作伙伴 |
| PPA | Pollution Prevention Act of 1990 | 1990年污染防治法 |
| PPA | Piss Poor Attitude (military slang) | 糟糕的态度（军事俚语） |
| PPA | ParitÉ de Pouvoir d'Achat (French: purchasing power parity) | ParitÉ de Pouvoir d'Achat (French: purchasing power parity) |
| PPA | Prompt Payment Act | 即时付款法 |
| PPA | Partnership for Prescription Assistance | 处方援助伙伴关系 |
| PPA | Planning Performance Agreement (UK spatial planning) | 规划绩效协议（英国空间规划） |
| PPA | Psychophysiological Profile Assessment | 心理生理特征评估 |
| PPA | Path Profile Analysis | 路径配置文件分析 |
| PPA | Pre-Power Amplifier | 前置功率放大器 |
| PPA | Preliminary Project Approval | 初步项目批准 |
| PPA | Preliminary Plan Approval | 初步计划批准 |
| PPA | Procurement Planning Agreement | 采购计划协议 |
| PPA | Peasants Per Acre (gaming) | 每英亩农民（游戏） |
| PPA | Pre Pay and Add (purchase orders - freight charges) | 预付款和添加（采购订单-运费） |
| PPA | Principal Planning Agent | 主要规划代理 |
| PPA | Polymer Processing Additive | 聚合物加工添加剂 |
| PPA | Preferred Provider Access | 首选提供商访问 |
| PPA | Peripapillary Atrophy | 乳头周围萎缩 |
| PPA | Preferred Provider Allowance | 首选提供商津贴 |
| PPA | Primary Plate Analyzer | 一次平板分析仪 |
| PPA | Pump Package Assembly | 泵组件组件 |
| PPA | Planning, Preparation and Assessment (UK education) | 规划、准备和评估（英国教育） |
| PPA | Powered Pitcharound | 动力Pitcharound |
| PPA | Pool Players of America | 美国台球运动员 |
| PPA | Purchase Price Allocation | 采购价格分配 |
| PPA | Poker Players Alliance | 扑克玩家联盟 |
| PPA | Per Prokura (German: by proxy) | Per Prokura（德语：代理人） |
| PPA | Pastor's Personal Assistant | 牧师的私人助理 |
| PPA | Planned Parenthood of Alabama | 阿拉巴马州计划生育 |
| PPA | Parti du Peuple Algerien | 阿尔及利亚人民党 |
| PPA | Pingat Pentadbiran Awam (Public Administration Medal, Singapore) | Pingat Pentadbirn Awam（新加坡公共行政奖章） |
| PPA | Principles, Policies and Applicability | 原则、政策和适用性 |
| PPA | syndrome of post-pill amenorrthoea | 丸后闭经综合征 |
| PPA | passive peritoneal anaphylaxis | 被动腹腔过敏 |
| PPA | Prescription Pricing Authority (UK) | 处方定价机构（英国） |
| PPA | Property Protection Area | 财产保护区 |
| PPA | polymethyl polyphenylamine | 聚甲基聚苯胺 |
| PPA | Participatory Poverty Assessment | 参与式贫困评估 |
| PPA | photo-peak analysis | 光峰值分析 |
| PPA | postpartum amenorrhea | 产后闭经 |
| PPA | percent per annum | 每年百分比 |
| PPA | phiala prius agitata | 搅动性小球蚴 |
| PPA | phenylpyruvic acid | 苯基丙酮酸 |
| PPA | polyphosphoric acid | 多磷酸 |
| PPA | Pension Protection Act of 2006 | 2006年养老金保护法 |
| PPA | Preferred Prescription Assistance | 首选处方协助 |
| PPA | Philippine Ports Authority | 菲律宾港务局 |
| PPA | Preliminary Planning Authorization | 初步规划授权 |
| PPA | Potential Problem Analysis | 潜在问题分析 |
| PPA | Phenylpropanolamine | 苯丙醇胺 |
| PPA | Privacy Protection Act of 1980 | 1980年隐私保护法 |
| PPA | Purchased Power Adjustment | 购买功率调整 |
| PPA | Physical Point of Attachment | 物理连接点 |
| PPA | Printing Performance Architecture | 打印性能体系结构 |
| PPA | Power Purchase Agreement | 购电协议 |
| PPA | Program in Performing Arts (Georgetown University) | 表演艺术课程（乔治城大学） |
| PPA | Partial Payment Arrangement | 部分付款安排 |
| PPA | Primary Progressive Aphasia (form of dementia) | 原发性进行性失语症（痴呆形式） |
| PPA | Prior Period Adjustment | 前期调整 |
| PPA | Process/Product Audits | 过程或产品的审核 |
| PPA | Planned Program Accomplishment | 计划项目完成情况 |
| PPA | Ping-Pong Arbiter | 乒乓球仲裁员 |
| PPA | PERSINS (Personnel Information System) Processing Activity | PERSINS（人事信息系统）处理活动 |
| PPA | Patiño & Partners Abogados (Spain) | Patiño & Partners Abogados (Spain) |
| PPA | Peppercorns Performing Arts (UK) | 辣椒表演艺术（英国） |
| PPA | Program, Project, and Activities | 计划、项目和活动 |
| PPA | Purchase Price Accounting | 采购价格会计 |
| PPA | Private Passenger Auto | 私人乘用车 |
| PPA | Personal Parachute Assembly | 个人降落伞组件 |
| PPA | Project Performance Analysis | 项目绩效分析 |
| PPA | Plant Patent Act | 植物专利法 |
| PPA | Premier Bancorp, Inc. (stock symbol) | Premier Bancorp，Inc.（股票代码） |
| PPA | Per Patron Average (theater/cinema industry) | 平均每个主顾剧院/电影产业 |
| PPA | Piraeus Port Authority (Greece) | 比雷埃夫斯港务局（希腊） |
| PPA | Per Procura (Latin: by proxy) | Per Procura（拉丁语：代理人） |
| PPA | Power Play Assists (hockey) | 强力助跑（曲棍球） |
| PPA | Prosthetic Penis Attachment | 人工阴茎附件 |