| Acronym | Definition |
|---|
| NCDU➣Naval Combat Demolition Unit |
| NCDU➣North Carolina Ducks Unlimited (conservation group) |
| NCDU➣NCurses Disk Usage |
| NCDU➣Nursing Clinical Development Unit |
| NCDU➣National Council for the Development of Urdu |
| NCDU➣North County Darters Unlimited (Palm Beach County, Florida) |
| NCDU➣North Coast Data Utilities (Norton Shores, Michigan) |