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