HH may stand for:
Hahnium, a disputed abbreviation for the
chemical element name
Hakainde Hichilema, Zambian political party leader
Hamburger Helperhh,
hands highHH,
brassiere cup sizeHandheld deviceHansestadt Hamburg, Hanseatic City
Happy HardcoreHappy hourHarris hawk hh is a falconer's abbreviation
Hart House, an historic building at the
University of TorontoHatboro-Horsham High School, South Eastern PA
Hawthorne Heights (band)
Hedgehog signaling pathway, and the hedgehog proteinHeil Hitler, the
Hitler salute, an abbreviation often used by
neo-nazis.
Helly Hansen, HH is a Norwegian extreme foul weather clothing and textile maker
Hereditary Hemochromatosis Herbie HancockHerbig-Haro object, astronomyH.H., a webcomic by Daniel Kim
H.H. Holmes, serial killer Herman Webster Mudgett
His Highness, or Her Highness
His Holiness, or Her Holiness
Hodgkin-Huxley modelHogs HeadHollywood HijinxHonor HarringtonHoward HughesHubert HumphreyHulk Hogan
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HOUR. HH