INN

INN may stand for:

Medicine

 * International nonproprietary name, in pharmaceutics

News

 * Independent News Network
 * Independent Network News (disambiguation)
 * Institute for Nonprofit News, formerly known as Investigative News Network
 * InterNetNews news server
 * Israel National News, English name for Israeli media network Arutz Sheva

Other

 * Illegal, Non-reported and Non-regulated Fishing, usually known as IUU (Illegal, unreported and unregulated fishing)
 * ImagiNation Network
 * The IATA airport code for Innsbruck Kranebitten Airport
 * Interfaith Nutrition Network