IBN or ibn may refer to:

In general

  • ibn, patronymic ("son of") in Arabic personal names (e.g. Ibn Battuta)
  • IBN code page (Code page 865), a Nordic language code page under MS-DOS
  • Invariant basis number, a property that most rings have in mathematics
  • Internet background noise

In communications and media

  • CNN-IBN, an Indian news channel
  • Immanuel Broadcasting Network, the Christian radio network WCCV, headquartered in Carterville, Georgia
  • InStore Broadcasting Network, provider of in-store radio and television networks
  • Integrated Business Network, a Centrex telecommunications network by Northern Electric/Nortel
  • International Broadcasting Network, Dallas-based Christian broadcaster that produces programming (mainly for radio) like those hosted by Bob Larson and Steve Solomon