ADN
- ADN (newspaper)
- ADN Radio Chile
- Abbreviated dialing
- Aberdeen Asset Management
- Adang language
- Adiponitrile
- Aircraft Data Network
- Allgemeiner Deutscher Nachrichtendienst
- Ammonium dinitramide
- Anchorage Daily News
- Andes Airport
- App.net
- Application Delivery Network
- Ardrossan Town railway station
- Ashley, Drew and Northern Railway
- Associate of Science in Nursing
- Athens Drive High School
- DNA
- DNA (2020 film)
- Digital Negative (file format)
- King-Kopetzky syndrome
- National Democratic Alliance (Italy)
- National Democratic Alternative (Portugal)
- Nationalist Democratic Action
- UN Recommendations on the Transport of Dangerous Goods