HF, Hf or hf can refer to:
Arts and entertainment HammerFall, a Swedish power metal band Hard-Fi, an English indie rock band Star Trek: Hidden Frontier, a long-running Star Trek fan-fiction series Hi-hat with foot, part of a drum kit
Business Hlutafélag (hf.), a form of limited liability company in Iceland Hapag-Lloyd Flug, a former German airline (IATA code) doing business as TUIfly Air Côte d'Ivoire, an Ivorian airline (IATA code)
Education Higher Preparatory Examination (HF) (Højere Forberedelseseksamen), a Danish examination programme Heraldo Filipino, the student newspaper of De La Salle University-Dasmariñas, Cavite, Philippines Homewood-Flossmoor High School, Flossmoor, Illinois
Organizations Humanity First, an international charitable organisation, which focuses on immediate disaster response and long-term development Health trust (Helseforetak), a Norwegian hospital enterprise Heritage Front, a white supremacist and Canadian Nationalist group Hudobný fond (Music Fund Slovakia), a presenter of the ZAI Awards
Science and technology Biology and medicine Heart failure Holstein Friesian cattle, HF, a breed of cattle Steve Biko Academic Hospital, a hospital in Pretoria, South Africa, formerly called H F Verwoerd Hospital Hippocampal formation, region in the brain
Chemistry Hafnium, symbol Hf, a chemical element Hartree–Fock method, a calculation scheme in the field of computational chemistry Hydrogen fluoride, HF, a diatomic compound which can dissolve in water to form hydrofluoric acid, a highly corrosive solution Hydrofluoric acid, HF(aq), a solution of hydrogen fluoride (HF) in water
Other uses in science and technology Handsfree, equipment that can be used without the use of hands Helicon Filter, photo editing software Helicon Focus, a photo-merging program used to increase depth of field or make panoramas High frequency, the ITU 3–30 MHz radio frequency range (band) Hilbert function of a graded algebra
Sport Half-Forward, an Australian Rules football position Heinz Field, a stadium in Pittsburgh, Pennsylvania and the home of the Pittsburgh Steelers Holmesdale Fanatics, a former ultras group supporting Crystal Palace, a football club in London
People H. F. Verwoerd, a South African Prime Minister Harrison Ford, American film actor
Other uses Have Fun, in video game slang High five, celebratory hand gesture Hotfix, a software patch to temporarily fix a bug in a product
See also
High fidelity
HFS (disambiguation)