HGG

HGG may refer to:

• Hackerspace Global Grid
• Haggerston railway station, in London
• Harlech Grits Group, a lithostratigraphic group in Wales
• Heilig-Geist-Gymnasium, a Christian secondary school located in Broich in Würselen, Germany.
• Henderson Group, a British investment management company
• hhgregg, an American retailer
• The Hitchhiker's Guide to the Galaxy, a comedy science fiction series created by Douglas Adams
• Hyperbolic geometric graph
• Home for the Golden Gays, a Filipino LGBT non-profit organization established in 1975

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