LHG may refer to:

Bundesverband Liberaler Hochschulgruppen, a student association in the Federal Republic of Germany Icelandic Coast Guard (Landhelgisgæslan), the maritime law enforcement agency of Iceland Liberty House Group, the holding company of Liberty Steel Lightning Ridge Airport, the IATA code LHG Logan Heights Gang, a street gang in San Diego, California Lufthansa, the flag carrier of Germany Lunar horizon glow, a glow seen in Lunar sky during sunset