- DIRP stands for Division of Intramural Research Programs (US NIMH)
- DIRP stands for Dubai International Reinforced Plastic (Dubai, United Arab Emirates)
- DIRP stands for Device Independent Recording Package
- DIRP stands for Defence Industrial Research Program (est. 1961; Canada)
- DIRP stands for Data and Information Resource Program (Philippines)
- DIRP stands for DOE Internal Review Panel
- DIRP stands for Dharma Initiative Recruiting Project
- DIRP stands for Diabetes Interdisciplinary Research Program
- DIRP stands for Driver Incentive Rating Plan (insurance)
Abbreviations And Their Meaning