HGN may refer to:
*
Halogen Software, Canada
*
Horizontal gaze nystagmus, a
field sobriety test.
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Hougang MRT station (MRT station abbreviation), in Singapore
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Hough Green railway station
Hough Green railway station is a railway station to the west of Widnes in Halton, Cheshire, England. It is recorded in the National Heritage List for England as a designated Grade listed building. The station is on the Liverpool–Warrington†...
, in England
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Hyperbolic geometric network
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Mae Hong Son Airport, in Thailand
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