DDIR
| Acronym | Definition |
|---|---|
| DDIR | Dli Database Directory |
| DDIR | Deputy Director for Intramural Research |
| DDIR | Dick's Drive-In Restaurants (Seattle, Washington) |
| DDIR | Detailed Damage Inspection Report (US DOT) |
| DDIR | Division of Drug Information Resources |
| DDIR | Density-Dependent Inhibition of Replication (cellular physiology) |