| IPAR | International Partpintabian Association and Registry | 国际Partpintabian协会和注册处 |
| IPAR | Intercepted Photosynthetically Active Radiation | 截获的光合活性辐射 |
| IPAR | Institute of Personality Assessment and Research (now Institute of Personality and Social Research; University of Califo | 个性评估与研究所（现加州大学个性与社会研究所 |
| IPAR | International Police Aviation Research | 国际警察航空研究 |
| IPAR | Interpolyelectrolyte Addition Reaction | 内电解液加成反应 |
| IPAR | Incident Photosynthetically Active Radiation (at the top of the plant canopy) | 入射光合活性辐射（位于植物冠层顶部） |
| IPAR | Informal Performance Assessment Report | 非正式绩效评估报告 |
| IPAR | Issue Performance Analysis and Reporting | 问题绩效分析和报告 |
| IPAR | Improved Pulse Acquisition Radar | 经改进的脉冲搜索雷达 |
| IPAR | Inter Parfums, Inc. | Inter Parfums公司。 |
| IPAR | International Platform for Advanced Recycling | 国际先进回收平台 |
| IPAR | Institute for Policy Analysis and Research | 政策分析与研究所 |
| IPAR | Integrity Professionalism Accountability Respect (Vancouver Police Department, Canada motto) | 诚信专业问责尊重（加拿大温哥华警察局座右铭） |
| IPAR | Individual Procurement Action Report | 个人采购行动报告 |