HGK or Hgk can ref to:
- HGK (bomb) (Turkish: , "precision guidance kit"), a bomb guidance kit
- Croatian Chamber of Economy (Croatian: )
- General Command of Mapping (Turkey) (Turkish: )
- Häfen und Güterverkehr Köln, the harbour and rail company of the City of Cologne, Germany
- Hgk, a GUI interface for the computer development software Mercurial
The HGK guidance kit (HGK, ), developed by TÜBİTAK-SAGE, is a GPS/ INS guidance kit that converts 2000-lb Mark 84 bombs into smart weapons. It enables precision strike talent in all weather conditions with long range at a dispersion of .