FH

FH, Fh, or fh may refer to:

Businesses and institutions

 * Danish Trade Union Confederation (Fagbevægelsens Hovedorganisation)
 * Faculty of Humanities (The Hong Kong Polytechnic University)
 * Fachhochschule, in German, a college of higher education
 * Federation of the Swiss Watch Industry FH
 * Futura International Airways (IATA code)

Biology and medicine

 * Familial hypercholesterolemia, a genetic disorder
 * Factor H, a complement control protein
 * Family history
 * FH, a gene that encodes the enzyme fumarase

Chemistry

 * Ferrihydrite (Fh), a widespread hydrous ferric oxyhydroxide mineral

Other uses in science and technology

 * McDonnell FH Phantom, the U.S. Navy's first jet-powered fighter aircraft
 * Falcon Heavy, Spacex's heavy lift reusable rocket

Sport

 * Fimleikafélag Hafnarfjarðar, Icelandic football club

Other uses

 * fh (digraph); appears in Irish and some other languages
 * Volvo FH, a range of trucks