HHG may refer to:
HHG Corporation, Extreme Championship Wrestling HHG Group, former name of Henderson Group, a global investment management company H. H. Gregg, an American electronics retailer company High-harmonic generation, a non-linear process during which a target is illuminated by an intense laser pulse The Hitchhiker's Guide to the Galaxy Household goods, a cargo shipping category Hungry, Hungry Ghost, a German band
See also Huntington Airport (disambiguation)