| IREP | immunoreactive endorphin peptide | 免疫反应性内啡肽 |
| IREP | Integrated Rural Energy Programme (India) | 综合农村能源方案（印度） |
| IREP | Interim Reliability Evaluation Program | 临时可靠性评估计划 |
| IREP | Interactive RadioEpidemiological Program | 交互式放射流行病学计划 |
| IREP | Intermediate Repair Enhancement Program | 中间维修增强计划 |
| IREP | Interep National Radio, S. A. | Interep国家电台，S.A。 |