GF

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

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)