HTN

HTN can refer to:

Computing

 * Hierarchical task network, planning formalism in artificial intelligence
 * "Homesteading the Noosphere", essay on computer programming

Medicine

 * Hypertension

Organisations

 * Home Theater Network, defunct movie subscription service
 * Houghton Mifflin, now part of Houghton Mifflin Harcourt
 * Hughes Television Network, defunct American television network

Transport

 * Hammonton station, New Jersey, United States
 * Hathiyan railway station, Pakistan
 * Hatton railway station, Sri Lanka
 * Hatton (Warwickshire) railway station, England
 * Hotan Airport, Xinjiang, China
 * Houten railway station, Netherlands