GHQ may refer to:
- Garhwa railway station, in Jharkhand, India
- General Health Questionnaire
- General headquarters, or, specifically:
- General Headquarters (Pakistan Army)
- Supreme Commander for the Allied Powers (General Headquarters in occupied Japan)
- GHQ India - General Headquarters, India, in British India
- United States Army Air Corps (previously known as General Headquarters Air Force)
- FM HD3 channels of WUFT-FM
- GHQ (company), which produces 1:285 scale micro armor for miniature wargaming
- GHQ (game), a board game designed by Kurt Vonnegut in the 1950s and published in 2024