ND
- APA style
- Contax N Digital
- International Code of Signals
- Mazda MX-5 (ND)
- NADH dehydrogenase
- ND Experiment
- Nancy Drew
- National Democracy (Poland)
- National Democrats (Sweden)
- National Diploma (Ireland)
- Naughty Dog
- Nd (digraph)
- Nederlands Dagblad
- Neighbor Discovery
- Neodymium
- NetDocuments
- Neues Deutschland
- Neurodiversity
- Neutral density filter
- New Dawn (Algeria)
- New Dawn (disambiguation)
- New Delhi
- New Democracy (Canada)
- New Democracy (Greece)
- New Democracy (North Macedonia)
- New Democrats (France)
- Nextdoor
- Nguyen dynasty
- Norrland Dragoon Regiment
- Norsk Data
- North Dakota
- Northern Ndebele language
- Notifiable disease
- Notitia Dignitatum
- Notre Dame (disambiguation)
- Nuclear Dawn
- Nuclear disarmament
- Unintentional discharge (firearms)
- United States Navy Diver