HQ may refer to:

  • HQ, an abbreviation for headquarters
  • HQ, an abbreviation for high quality
  • HQ (album), a 1975 album by Roy Harper
  • Hagströmer & Qviberg, a Swedish investment bank
  • Harley Quinn, a DC Comics character and enemy of Batman
  • Harmony Airways, IATA airline designator
  • HAVE QUICK, a frequency-hopping system used to protect military UHF radio traffic
  • Hero's Quest, a computer game
  • HeroQuest, a board game
  • HeroQuest (role-playing game)
  • Hipness quotient, analogous to intelligence quotient
  • Home Quarters Warehouse, a defunct retail chain
  • Honored Queen, an honorific for members of Job's Daughters International
  • Howland Island: FIPS PUB 10-4 territory code
  • Hydro-Québec, an electrical power utility of Québec, Canada
  • Hyperic, an application monitoring software
  • Chase H.Q., an arcade racing game
  • Geely HQ (Haoqing), a car