| IREP | Incremental Reduced Error Pruning 
| Others |
| IREP | Independent Real Estate Professionals
| Others |
| IREP | Infinitus Renewable Energy Park
| Others |
| IREP | Insertable Robotic Effector Platform
| Others |
| IREP | Institutional Research Effectiveness and Planning
| Others |
| IREP | Integrated Rural Energy Planning
| Energy, Policy |
| IREP | Integration of Research Education and Professional
| Others |
| IREP | International Real Estate Partners
| Others |
| IREP | International Relations and European Politics
| Others |
| IREP | International Research and Education Participation
| Others |
| IREP | International Research Education Participation
| Others |
| IREP | International Research Experience Program
| Others |
| IREP | Iowa Rural Equity Project
| Others |
| IREP | Israel Religious Expression Platform
| Others |