HDDC
| Acronym | Definition |
|---|---|
| HDDC | Historic District Development Corporation (Atlanta, GA) |
| HDDC | Heavy Duty Distributor Council (Canada) |
| HDDC | High Definition Digital Cinema |
| HDDC | High-Dimensional Data Clustering (algorithm) |
| HDDC | Hard Disk Drive Controller (software; hardware) |
| HDDC | Hitachi Device Development Center (Tokyo, Japan) |