| PER | Preliminary Environmental Review | 初步环境审查 |
| PER | Peru (ISO Country code) | 秘鲁（ISO国家代码） |
| PER | ann. per annum | 每年 |
| PER | Protein Efficiency Ratio | 蛋白质效率比 |
| PER | Parity Error Repoting | 奇偶错报告 |
| PER | Perseids | 英仙座流星雨 |
| PER | Peru | 秘鲁 |
| PER | Provider Edge Router | 边缘路由器 |
| PER | Packet Error Rate | 分组差错率（包差错率） |
| PER | proess engineering report | 工艺卡 |
| PER | Public Expenditure Review (World Bank) | 公共支出审查（世界银行） |
| PER | Perth, Western Australia, Australia - Perth (Airport Code) | 澳大利亚西澳大利亚州珀斯-珀斯（机场代码） |
| PER | Program for Ecosystem Research | 生态系统研究计划 |
| PER | Performance Event Report | 性能事件报告 |
| PER | Product Evaluation and Recommendation | 产品评估和推荐 |
| PER | Parts Evaluation Report | 零件评估报告 |
| PER | Package-Enabled Reengineering | 包启用的重组 |
| PER | Probable Error in Range | 范围内的可能误差 |
| PER | Product Enhancement Request | 产品增强请求 |
| PER | Preliminary Engineering Release | 初步工程发布 |
| PER | Professional and Executive Recruitment | 专业和高管招聘 |
| PER | Perth, Western Australia, Australia | 澳大利亚西澳大利亚州珀斯 |
| PER | Program Editor resident area (WordPerfect Library) | 程序编辑器驻留区（WordPerfect库） |
| PER | Packet Encoding Rules | 数据包编码规则 |
| PER | Personal Needs Break | 个人需求休息 |
| PER | Plan de EnergÍas Renovables | Plan de EnergÍas Renovables |
| PER | Plan de Empleo Rural | 农村就业计划 |
| PER | Planning Evaluating And Reporting | 规划、评估和报告 |
| PER | Post Execution Reporting | 执行后报告 |
| PER | Pay Negotiating Board | 薪酬谈判委员会 |
| PER | Pocket Note Book | 袖珍笔记本 |
| PER | Perot Systems Corporation | Perot系统公司 |
| PER | Price Earnings Ratio | 市盈率 |
| PER | Prisoner Escort Record | 囚犯护送记录 |
| PER | Process Energy Requirement | 工艺能源要求 |
| PER | Partial Equivalence Relation | 部分等价关系 |
| PER | Pretty Erroneous Ringtone | 漂亮的错误铃声 |
| PER | IEEE Power Engineering Review | IEEE电力工程评论 |
| PER | Polarization Extension Ratio | 极化扩展比 |
| PER | Port Engineer Request | 港口工程师请求 |
| PER | Packet Encoding Rule | 数据包编码规则 |
| PER | Project Evaluation & Recommendation | 工程项目评估及建议 |
| PER | PERT Event Report | PERT事件报告 |
| PER | Pre-Environmental Review | 预环境审查 |
| PER | Pyrotechnic Energy Release | 烟火能量释放 |
| PER | Permanent (mathematics; group theory) | 永久（数学；群论） |
| PER | Public Employees Roundtable | 公共员工圆桌会议 |
| PER | Premature Engine Removal | 过早拆卸发动机 |
| PER | Position Error Recovery | 位置错误恢复 |
| PER | Proposal Evaluation Report | 建议书评估报告 |
| PER | Persian | 波斯人 |
| PER | Predicate-Based Enable-Rule | 基于谓词的启用规则 |
| PER | Packed Encoding Rules (ISO 8825-2) | 打包编码规则（ISO 8825-2） |
| PER | Player Efficiency Rating | 玩家效率评级 |
| PER | Program Element Review | 项目要素审查 |
| PER | Plan d'Epargne-Retraite | 'Epargne-Retraite d计划 |
| PER | Peaches En Regalia | 皇家桃子 |
| PER | Permission | 准许 |
| PER | Program Event Recording | 程序事件记录 |
| PER | Periodic Electoral Review | 定期选举审查 |
| PER | Power Enhancement Ratio | 功率增强比 |
| PER | Performance Evaluation Report | 绩效评估报告 |
| PER | Physical Education Recreation | 体育娱乐 |
| PER | Price-to-Earnings Ratio | 市盈率 |
| PER | Port Everglades Railway | 埃弗格莱兹港铁路 |
| PER | Person | 人 |
| PER | Parity Error Rate | 奇偶校验错误率 |
| PER | Program Effectiveness Review | 项目有效性审查 |
| PER | Patrulla Especial de Rescate (Guatemala) | Patrulla Special de Rescate（危地马拉） |
| PER | Proficiency Examination Review | 能力考试审查 |
| PER | Preliminary Engineering Report | 初步工程报告 |
| PER | Percent Extracellular Release | 细胞外释放百分比 |
| PER | Percentage Effort Ratio | 工作量百分比 |
| PER | Parameter Error Rate | 参数错误率 |