HDTC
| Acronym | Definition |
|---|---|
| HDTC | Humanitarian Demining Training Center |
| HDTC | High Definition Telecine (film process) |
| HDTC | Homeland Defense Technology Center (US Army) |
| HDTC | Holding Down the Couch (webcomic) |
| HDTC | Hornchurch Drum & Trumpet Corps (UK) |
| HDTC | High-Density Turbidity Current (sedimentary geology) |