ADN

• Aircraft Data Network, a proposed network standard for commercial aircraft installations • IATA airport code for Andes Airport in Antioquia Department, Colombia ==Education==

• Associate Degree in Nursing, similar to Associate of Science in Nursing • A common term for the student section of Athens Drive High School ==Media==

Television and radio • XHTVM-TDT, branded as adn Noticias, a Mexican television channel • ADN Radio, a Chilean radio station Newspapers • ADN (newspaper), a Spanish free daily newspaper • , the state news agency of East Germany • Anchorage Daily News, an Alaskan newspaper Other • ADN, the original French title of DNA, a 2020 drama film ==Politics==

• National Democratic Alliance (Italy) (Italian: ), a former political party of Italy • National Democratic Alternative (Portugal) (Portuguese: ), a political party of Portugal • Nationalist Democratic Action (Spanish: ), a political party of Bolivia ==Science==

• Adiponitrile • Ammonium dinitramide, a rocket propellant • Auditory Disability with Normal hearing, a term for King-Kopetzky syndrome • DNA, as abbreviated in various languages (particularly Romance languages such as Spanish and French) ==Technology==

• Abbreviated Dialing Numbers, two or three digits sequence to reach specific telephone numbers, such as those of public services • Application Delivery Network, a suite of technologies for improved delivery of applications across the Internet • App.net, an online social networking service • Digital Negative (file format), a raw image format designed by Adobe Systems ==Other uses==

• Abbreviated dialing number • Adang language, a Trans-New Guinea language of Indonesia • ADN, the stock symbol of Aberdeen Asset Management • Ardrossan Town railway station, UK • Ashley, Drew and Northern Railway, a defunct railroad in Arkansas • European Agreement concerning the International Carriage of Dangerous Goods by Inland Waterways, part of the UN Recommendations on the Transport of Dangerous Goods