ADN may refer to:
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 media 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 National Democratic Action (, ADN), a political party of Ecuador
Science and technology Abbreviated Dialing Numbers, two or three digits sequence to reach specific telephone numbers, such as those of public services Adiponitrile Aircraft Data Network, a proposed network standard for commercial aircraft installations Ammonium dinitramide, a rocket propellant Application Delivery Network, a suite of technologies for improved delivery of applications across the Internet Auditory Disability with Normal hearing, a term for King-Kopetzky syndrome Digital Negative (file format), a raw image format designed by Adobe Systems DNA, as abbreviated in various languages (particularly Romance languages such as Spanish and French)
Transport infrastructure Andes Airport in Antioquia Department, Colombia (IATA airport code ADN) Ardrossan Town railway station, UK Ashley, Drew and Northern Railway, a defunct railroad in Arkansas
Other uses Abbreviated dialing number Adang language, a Trans-New Guinea language of Indonesia Aberdeen Asset Management (stock symbol "ADN") App.net, an online social networking service European Agreement concerning the International Carriage of Dangerous Goods by Inland Waterways, part of the UN Recommendations on the Transport of Dangerous Goods