NDOS
| Acronym | Definition |
|---|---|
| NDOS | NORCOM (Northern Command) Data Operating System |
| NDOS | Nuffield Department of Orthopaedic Surgery (Department in University of Oxford Medical School) |
| NDOS | National Day Of Slayer |
| NDOS | Network and Desktop Outsourcing |
| NDOS | National Day of Silence |
| NDOS | National Defense Operations Section (US Navy) |
| NDOS | Next Day Onsite Service |
| NDOS | Norton Disk Operating System |
| NDOS | New Dimension Online Services (web hosting company) |