| Acronym | Definition |
|---|
| IRRP➣Inter-(domain) Routing Protocol |
| IRRP➣Individual Responsible for Radiation Protection (Ohio) |
| IRRP➣Institute of Radioisotopes and Radiodiagnostic Products |
| IRRP➣Integrated Resource & Resilience Planning (energy) |
| IRRP➣Improved Rearming Rate Program |
| IRRP➣In Route Rally Point (US Army) |
| IRRP➣Iwakuni Runway Relocation Project (MCAS Iwakuni, Japan) |