FHG may refer to:
Force Headquarters Group, a United States Marine Corps Reserve unit Fort Henry Guard, a Canadian military re-enactment organization Fragmenta Historicorum Graecorum, Karl Wilhelm Ludwig Müller's collection of fragments of the works of ancient Greek historians Fraunhofer Society (German: ), a German research company Free hosted gallery, a type of free web content, usual pornography Freiwilliger Helfer der Grenztruppen, the Voluntary Auxiliary of the Border Police of East Germany "Fuck Her Gently", a song by Tenacious D The Deutsche Bahn station abbreviation for the Haiger station, in Germany