title: HGN
text: # HGN
  
  HGN may refer to:
  
  * Halogen Software, Canada
  * Horizontal gaze nystagmus, a field sobriety test.
  * Hougang MRT station (MRT station abbreviation), in Singapore
  * Hough Green railway station, in England
  * Hyperbolic geometric network
  * Mae Hong Son Airport, in Thailand
  