HQ

HQ may refer to:
 * Headquarters
 * High quality (disambiguation)

Games

 * HQ (video game), a live trivia game app
 * HeroQuest (role-playing game)
 * Chase H.Q., an arcade racing game

Businesses and utilities

 * HQ an imprint of HarperCollins
 * HQ Bank, a Swedish investment bank
 * Home Quarters Warehouse, a defunct retail chain
 * Harmony Airways' IATA airline designator
 * Thomas Cook Airlines Belgium's defunct IATA airline code

Other uses

 * HQ (album), a 1975 album by Roy Harper
 * HAVE QUICK, a frequency-hopping system used to protect military UHF radio traffic
 * Geely HQ (Haoqing), a car model
 * Holden HQ, a range of car models
 * Twickenham Stadium or HQ, a rugby union stadium in London, England
 * Howland Island's FIPS PUB 10-4 territory code