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