| PEA | Physical Education Association | 体育协会 |
| PEA | Plastics Engineers Association | 塑料工程师协会 |
| PEA | Polyethyl Acrylate | 聚丙烯酸乙脂 |
| PEA | Professional Employees Association (Canada) | 专业雇员协会（加拿大） |
| PEA | Procurements Executive Association | 采购执行协会 |
| PEA | Procurement's Executive Association | 采购执行协会 |
| PEA | Poudre Education Association (Colorado) | Poudre教育协会（科罗拉多州） |
| PEA | Procurement Executives' Association | 采购经理人的协会 |
| PEA | Psychic Entertainers Association | 精神娱乐协会 |
| PEA | Professional Engineer and Architect | 专业工程师和建筑师 |
| PEA | Performance Evaluation Audit | 绩效评估审计 |
| PEA | População Economicamente Ativa (Portuguese: Economically Active Population) | População Economicamente Ativa (Portuguese: Economically Active Population) |
| PEA | Pulseless Electrical Activity | 无脉冲电活动 |
| PEA | Phenylethylamine | 苯基乙胺 |
| PEA | Preliminary Endangerment Assessment | 初步危害评估 |
| PEA | Preliminary Environmental Assessment | 初步环境评估 |
| PEA | Pocket Ethernet Adapter | Pocket以太网适配器 |
| PEA | Preemptive Attack | 先发制人的攻击 |
| PEA | Phosphoethanolamine | 磷酸乙醇胺 |
| PEA | Potentially Explosive Atmosphere | 潜在爆炸性环境 |
| PEA | Pacific Energy Associates, Inc. | 太平洋能源联合公司。 |
| PEA | Portuguese East Africa (now Mozambique) | 葡属东非（今莫桑比克） |
| PEA | Preliminary Economic Analysis | 初步经济分析 |
| PEA | Program Element Administrator | 程序元素管理员 |
| PEA | Planning Emphasis Area | 规划重点区域 |
| PEA | percent(myo)electrical activity | 电活动百分比 |
| PEA | Presidential Executive Agreement | 总统执行协议 |
| PEA | phenethylamine | 苯乙胺 |
| PEA | Public Environmental Analysis | 公共环境分析 |
| PEA | Phenyl Ethyl Amine | 苯基乙基胺 |
| PEA | pyridylethylamine | 吡啶基乙胺 |
| PEA | Phenylethyl Alcohol Agar | 苯乙醇琼脂 |
| PEA | Private Education Aid | 私人教育援助 |
| PEA | Push Effective Address | 推送有效地址 |
| PEA | PolyEster-Amine | 聚酯胺 |
| PEA | Permanent Email Address | 永久电子邮件地址 |
| PEA | Plan Epargne en Actions | 计划Epargne en行动 |
| PEA | Pulseless Electrical Activity (cardiac) | 无脉冲电活动（心脏） |
| PEA | Push Effective Absolute | 推压有效绝对值 |
| PEA | Practice Edi Administrator | 实践Edi管理员 |
| PEA | Public Economic Agency | 公共经济机构 |
| PEA | Point Evidence Analysis (writing guideline mnemonic) | 点证据分析（书写指南助记符） |
| PEA | Programme Exoertise et Appui | Exoertise和Appui计划 |
| PEA | Projeto Esperança Animal (Brazil, Portuguese) | Projeto Esperança Animal (Brazil, Portuguese) |
| PEA | Palestine Energy Authority | 巴勒斯坦能源管理局 |
| PEA | Departamento de Energia e Automação ElÉtricas (Portugese; POLI - USP São Paulo, Brazil) | Departamento de Energia e Automação ElÉtricas (Portugese; POLI - USP São Paulo, Brazil) |
| PEA | Primary Education Advisor | 小学教育顾问 |
| PEA | Phillips Exeter Academy (secondary school) | 菲利普斯埃克塞特学院（中学） |
| PEA | Peace Establishment Authority | 和平建立局 |
| PEA | poly ethyl acrylate | 聚丙烯酸乙酯 |
| PEA | Polyether Amine (automotive fuel additive) | 聚醚胺（汽车燃料添加剂） |
| PEA | phenethyl alcohol(blood agar) | 苯乙醇（血琼脂） |
| PEA | Plan d'Epargne en Actions (French stock thrift) | 'Epargne en行动计划d(法国股票节俭) |
| PEA | polyethlene adipate | 己二酸聚乙烯 |
| PEA | pelvic examination under anesthesia | 麻醉下盆腔检查 |
| PEA | Policy Enforcement Agent | 策略执行代理 |
| PEA | polysaccharide egg anitgen | 多糖蛋清 |