FHG

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: Fraunhofer-Gesellschaft)
 * 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