HDLC
| Acronym | Definition |
|---|---|
| HDLC | High-Level Data Link Control |
| HDLC | High Level Data Link Control |
| HDLC | High-Density Lipoprotein Cholesterol |
| HDLC | Historic District Landmarks Commission (New Orleans, LA) |
| HDLC | Hamilton District Labour Council (Canada) |
| HDLC | Health District Licensing Council (Ohio) |
| HDLC | Human Dispersed Lung Cells |