IDN

IDN can refer to:

• Internationalized domain names
• Institut Industriel du Nord, the former name of École Centrale de Lille
• Indonesia, the ISO 3-letter country code
• International Data Number, in the context of an X.121 address
• Identity driven networking
• Integrated data network, the digital data network developed by Reuters and dedicated to financial markets
• Integrated Delivery Network, a network of healthcare organizations, see IDS
• Intradermal nevus, a type of skin mole

• IDK