CDIR
| Acronym | Definition |
|---|---|
| CDIR | Chartered Director (job title) |
| CDIR | Classless Inter-Domain Routing |
| CDIR | Cell Death Inhibiting RNA (genetics) |
| CDIR | Cumulative Damage Index Right Engine |
| CDIR | Chemical Demilitarization and Installation Restoration |
| CDIR | Channel Distribution Information at the Receiver |