IDRI
| Acronym | Definition |
|---|---|
| IDRI | Infectious Disease Research Institute (Seattle, WA) |
| IDRI | International Drawing Research Institute (various locations) |
| IDRI | Institut Diplomatique et de Relations Internationales (French) |
| IDRI | Intensity-Dependent Refractive Index (physics) |
| IDRI | International Dendrological Research Institute (Wellesley, MA) |