ICN

ICN is a three letter abbreviation that may refer to:

• IATA Code for Incheon International Airport near Seoul, South Korea

• Educational institutes:
  • ICN Business School, French graduate business school in Nancy.
  • UCL Institute of Cognitive Neuroscience, an interdisciplinary grouping of physicians and scientists that is part of University College London
• Associations, congresses and organisations (various):
  • International Competition Network a regulators association.
  • International Council of Nurses, a federation of national nursing associations
  • Iowa Communications Network, an Iowa state agency

• Computing and digital communications:
  • The Integrated Computing Network maintained by the Los Alamos National Laboratory
  • The Illinois Century Network, an operation by the Illinois Department of Central Management Services
  • Information-centric networking

• Science and medicine:
  • Iodine cyanide, a pseudohalogen with formula ICN or CNI
  • Inclusion conjunctivitis of the newborn in medicine
  • Intensive care nursery
  • International Code of Nomenclature for algae, fungi, and plants in botany

• Companies:
  • Valeant Pharmaceuticals International, formerly named "ICN Pharmaceuticals", and prior to that "ICN Radiochemicals"

• Rail transportation:
  • The ICN (Intercity-Neigezug), a Swiss Intercity Tilting Train
  • The ICN, a Croatian Tilting Train

• Other
  • Independent Catholic News, a Catholic news website
  • The iCN range of GPS Navigation products from Navman