| Abbreviation | Definition |
|---|---|
| IDPM | Institute for Development Planning and Management |
| IEAP | Institutional Effectiveness Assessment and Planning |
| IEPN | Interactive Emergency Preparedness Network |
| IEPP | International Economics and Public Policy |
| IEPR | Inequality Elasticity of Poverty Rate |
| IEPR | Institute for Economic Policy Research |
| IEPR | Institutional Effectiveness Planning and Research |
| IEPT | International Emergency Preparedness Team |
| IESP | Institute for Excellence in Services and Planning |
| IFEP | Institute of Fisheries Economics and Planning |
| IFMAPS | Intensive Financial Management and Planning Support (agriculture) |
| IFPP | Integrated Family Planning Program |
| IGP | Integrated Grid Planning |
| IHSDP | Integrated Housing and Slum Development Programme |
| ILUP | Integrated Land Use Planning |
| IMPA | Inner Melbourne Planning Alliance |
| IMPP | Integrated Missions Planning Process |
| IMPP | International Manual of Planning Practice |
| IMSP | Integrated Maritime Spatial Planning |
| INEP | Integrated National Energy Planning |