| Abbreviation | Definition |
|---|---|
| IRRP | Integrated Regional Resource Planning |
| IRRP | Integrated Resource and Resilience Planning |
| ISHUP | Interest Subsidy Scheme for Housing the Urban Poor |
| ISIS | INTERNATIONAL SIGHT of Inversion Stimulation |
| ITPF | International Tent Pegging Federation |
| ITPN | Income Tax Planning Network |
| ITPP | Information Technology Planning Program |
| ITPS | International Trip Planning Services |
| IUCP | In Use Confirmatory Program |
| IUEE | Irregular Unnecessary Excessive Extravagant |
| IUEP | Individual Unequal Error Protection |
| IUEP | Integrated Urban Environmental Planning |
| IWPP | Integrated Watershed Planning Process |
| IWPP | International Wedding Planning Professionals |
| JAGUAR | Joint Air Ground Unified Adaptive Replanning |
| JAOP | Joint Air Operations Planning |
| JAPC | Joint Audit Planning Committee |
| JBCCI | Japan Bangladesh Chamber of Commerce Industry |
| JBCCI | Joint Bipartite Coal Committee of India |
| JBP | Joint Business Planning |