GF, gf or gF may refer to: French Guiana (ISO 3166 country code: GF) Girlfriend, internet slang Wilson's GF method Normal mode analysis Sierra Leone (ICAO airport designator prefix: GF) Cyclosarin nerve gas (NATO designation: GF) Gulf Air (IATA airline designator: GF) Galois field The Galactic Federation, a fictional governing body in the Metroid series. GameFAQs GameFly Gato Fedorento GeForce Generating function Genuine Fractals Go Figure Good Fight, internet slang Googlefight… (More on Gf)