| Acronym | Definition |
|---|
| IPAR | Injury Prevention and Rehabilitation (Australian National University) |
| IPAR | Institute for Policy Analysis and Research |
| IPAR | Intercepted Photosynthetically Active Radiation |
| IPAR | Institute of Personality Assessment and Research (now Institute of Personality and Social Research; University of California, Berkeley) |
| IPAR | Integrity Professionalism Accountability Respect (Vancouver Police Department, Canada motto) |
| IPAR | Incident Photosynthetically Active Radiation (at the top of the plant canopy) |
| IPAR | Individual Procurement Action Report |
| IPAR | Integrated Primary Analysis and Reporting (genome analyzer) |
| IPAR | Improved Pulse Acquisition Radar |
| IPAR | Informal Performance Assessment Report |
| IPAR | International Police Aviation Research |
| IPAR | Interpolyelectrolyte Addition Reaction |
| IPAR | International Partpintabian Association and Registry |
| IPAR | Issue Performance Analysis and Reporting |
| IPAR | In-Place Augmented Reality |
| IPAR | International Platform for Advanced Recycling |