- D/N stands for Day/Night (cricket)
- DN stands for Distinguished Name (IDAP)
- DN stands for Dagens Nyheter (Swedish newspaper)
- DN stands for Down
- DN stands for Death Note (movie)
- DN stands for Domain Name
- DN stands for Diário de Noticias (Portuguese newspaper)
- DN stands for Da Nang (Vietnam)
- D/N stands for Day for Night (cinematography)
- DN stands for Dragon Nest (gaming)
- DN stands for Directory Number
- DN stands for Display Name (internet chat)
- DN stands for Diabetic Neuropathy (disorder)
- DN stands for Dagens Næringsliv (Norwegian financial newspaper)
- DN stands for Duke Nukem (Game)
- DN stands for Doncaster (postcode, United Kingdom)
- DN stands for Decision Notice
- DN stands for Dish Network (satellite TV provider)
- DN stands for Dueling Network (gaming forum)
- DN stands for Domain Network
- DN stands for Double Negative
- DN stands for Double Negative (hardcore punk band)
- DN stands for Detroit News
- DN stands for Dialed Number
- DN stands for Digital Number
- DN stands for Distrito Nacional (Dominican Republic)
- DN stands for Directorate for Nature Management (Ministry of the Environment; Norway)
- DN stands for Diameter Nominal
- DN stands for Destination Number
- DN stands for Department of the Navy
- DN stands for Data Numbers
- DN stands for Dr. No (James Bond movie)
- DN stands for Dirk Nowitzki (basketball player)
- DN stands for District Nurse
- DN stands for Dianetics (Scientology)
- DN stands for Dan Air
- DN stands for Defense News
- DN stands for Delivery Note
- DN stands for Debit Note (accounting)
- DN stands for Daydream Nation (Sonic Youth album)
- DN stands for Delta Nu (sorority)
- DN stands for Dominus Noster (Latin: Our Lord, epigraphy)
- DN stands for Delayed Neutron
- DN stands for Doctor of Naprapathy (a system of treatment by manipulation of connective tissue)
- DN stands for Digital Nonsecure (US DoD)
- DN stands for Doctor of Nursing
- DN stands for Discrepancy Notice
- DN stands for Double Nil (card game move)
- DN stands for Dibucaine Number
- DN stands for Democracy Now! (radio news program)
- DN stands for DaikyoNishikawa Corporation (Japan)
- DN stands for Design Notice
- DN stands for Drafting Note (comments on document drafts)
- DN stands for Dependency Net
- DN stands for Discipline Node
- DN stands for Doctor of Naturopathy
- DN stands for Diagnostics, Neutron
- D/N stands for Defect-to-Normal (ratio)
- D/N stands for Diameter/Neck Width (neuroradiology)
- DN stands for Dreadnought
D/N