| Abbreviation | Definition |
|---|---|
| IPOP | Institute for Pharmacy Outcomes and Policy |
| IPP | Institute for Plasma Physics |
| IPP | Institute of Public Policy |
| IPPD | Institute of Public Policy and Development |
| IPPE | Institute of Physics and Power Engineering |
| IPPI | Iran Polymer and Petrochemical Institute |
| IPPI | Israel Public Policy Institute |
| IPPM | Institute for Predictive Performance Methodologies |
| IPPM | Institute of Payroll and Pensions Management |
| IPPP | Institute for Philosophy and Public Policy |
| IPPS | Institute for Public Policy Studies |
| IPQI | International Peace Quest Institute |
| IPR | Institute for Policy Research |
| IPR | Institute for Population Research |
| IPR | Institute for Public Relations |
| IPR | Institute of Production Recording |
| IPRB | Institute of Public Relations Belarus |
| IPRD | Institute for Policy Research Development |
| IPRD | Institute of Process Research and Development |
| IPRE | Institute for Personal Robots in Education |