| Acronym | Definition |
|---|
| NIDS | Network Based Intrusion Detection System |
| NIDS | Network Intrusion Detection Systems |
| NIDS | National Immunization Days (WHO) |
| NIDS | National Institute for Discovery Science |
| NIDS | National Institute for Defense Studies (Japan) |
| NIDS | Neuro Immune Dysfunction Syndromes |
| NIDS | NATO Integrated Data Service |
| NIDS | National Institute of Decontamination Specialists (Piedmont, SC) |
| NIDS | National Integrated Development Strategy |
| NIDS | NEXRAD Information Dissemination System |
| NIDS | Navigation Instrument Development Unit (US Navy) |
| NIDS | NMCS (Non-Mission Capable Status) Information & Display System (US DoD) |
| NIDS | Network Inventory & Design System |
| NIDS | Navigation Information Display System |
| NIDS | National Military Command Center (NMCC) information display system (US DoD) |
| NIDS | National Intelligence Display System |