| Acronym | Definition |
|---|
| IPR | Intellectual Property Rights |
| IPR | Inprocess/Inprogress Review |
| IPR | Industrial Property Rights |
| IPR | Institute for Policy Research (Northwestern University and University of Cincinnati) |
| IPR | Institute of Public Relations |
| IPR | Inward Processing Relief (From Import Duty) |
| IPR | Intellectual Property Rights Working Group (IETF) |
| IPR | Institute of Pacific Relations |
| IPR | Impulse Response |
| IPR | In Progress Review |
| IPR | Inflow Performance Relationship (oil industry) |
| IPR | Interdepartmental Purchase Request |
| IPR | Institute of Production and Recording (Minneapolis Minnesota) |
| IPR | Institute for Prevention Research |
| IPR | Interproximal Reduction (orthodontic procedure) |
| IPR | Interim Progress Review |
| IPR | Injection Pressure Regulator |
| IPR | Interim Program Review |
| IPR | International Planning and Research Corp. |
| IPR | Installation Planning Representative (IBM) |
| IPR | Internal Program Review |
| IPR | Intended Place of Residence |
| IPR | Inter-Protocol |
| IPR | Intelligence Production Requirement |
| IPR | Isolated Personnel Report |
| IPR | Individual Pay Record |
| IPR | In-Process Report |
| IPR | Interdepartmental Procurement Request |
| IPR | Institute for Potato Research (Poland) |
| IPR | Initial Program Review |
| IPR | Inches Per Rotation (milling machines) |
| IPR | Information and Problem Reports (CCS #7) |
| IPR | Infinitely Precise Rounding |
| IPR | Item Performance Report |
| IPR | Integrated Pollution Regulation |
| IPR | Inside Plant Repeater (Hekimian) |
| IPR | Integrated Process Review |
| IPR | Intermediate Priority Range |
| IPR | Internal Problem Report |
| IPR | International Paranormal Research |
| IPR | Isolated Pressure Rise (air conditioner testing) |