HDDR
| Acronym | Definition |
|---|---|
| HDDR | Hard Disk Drive Retention (computing; various organizations) |
| HDDR | High Density Digital Recording |
| HDDR | High Density Digital Recorder |
| HDDR | Hydrogenation Disproportionation Desorption Recombination |
| HDDR | Hard Direct Denture Reliners |