GF, gf or gF may refer to:

Arts and entertainment GuitarFreaks, a music video game series Ground Floor, an American comedy series created by Bill Lawrence and Greg Malins Gravity Falls, a Disney TV show Girls' Frontline, a strategy role-playing mobile game

Businesses and organizations Airlines Gulf Air (IATA airline designator: GF) Sierra Leone (ICAO airport designator prefix: GF)

Other businesses and organizations Game Freak, a game developer Georg Fischer, abbreviated +GF+ GlobalFoundries, a semiconductor foundry headquartered in Santa Clara, California Grafiska Fackförbundet - Mediafacket, the Swedish Graphic Workers' Union

Math, science, and technology Cyclosarin nerve gas (NATO designation: GF) Fermi's constant, GF Fluid intelligence as opposed to gC, crystallized intelligence Galois field, in mathematics Generating function, in mathematics GF method, Wilson's normal mode analysis Gram force (symbol: gf) Grammatical Framework, a type-theoretic grammar formalism Greater fool theory, in economics Growth factor, in biology Glass Fibre, in Plastic material identification

Other uses French Guiana (ISO 3166 country code: GF) Goals for, a statistic in ice hockey and other sports Girlfriend Gluten free, denoting foods free from the protein gluten Good faith, a sincere intention Good Friday, a Christian holiday Godfather, a male godparent Dominical letter GF, for a leap year starting on Monday Good fight, what is generally said after a fight in a Massively multiplayer online game A first generation Subaru Impreza station wagon (ID code: GF) Berliet GF, a range of heavy-duty trucks