HH

HH may stand for:

• The blood group hh
• Hahnium, a disputed abbreviation for the chemical element name
• Hakainde Hichilema, Zambian political party leader
• Hamburger Helper
• hh, hands high
• HH, brassiere cup size
• Handheld device
• Harry Harrison
• Hansestadt Hamburg, Hanseatic City
• Happy Hardcore
• Happy hour
• Harris hawk hh is a falconer's abbreviation
• Hart House, an historic building at the University of Toronto
• Hatboro-Horsham High School, South Eastern PA
• Hawthorne Heights (band)
• Hedgehog signaling pathway, and the hedgehog protein
• Heil Hitler, the Hitler salute, an abbreviation often used by neo-nazis.
• Heinrich Himmler, Reichsfuhrer of the German Schutzstaffel SS
• Helly Hansen, HH is a Norwegian extreme foul weather clothing and textile maker
• Hereditary Hemochromatosis
• Herbie Hancock
• Herbig-Haro object, astronomy
• H.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 model
• Harriet Higgins
• Hogs Head
• Hollywood Hijinx
• Honor Harrington
• Howard Hughes
• Hubert Humphrey
• Hulk Hogan
• Hip-Hop
• Hank Hill, main character of King of the Hill
• Hubbard-Hall, Inc. chemical distribution company