FIB (disambiguation)

FIB can refer to:
 * Federal Investigation Bureau - A law enforcement agency in the HD Universe
 * FIB Buffalo - a Bravado Buffalo modified for use by the FIB, featured in Grand Theft Auto IV and Grand Theft Auto V. Referred to as FIB in-game in Grand Theft Auto V.
 * FIB Building - the FIB building in Liberty City featured in Grand Theft Auto IV and Grand Theft Auto: Chinatown Wars
 * FIB Granger - an all-black Declasse Granger modified for use by the FIB and NOOSE operatives, featured in Grand Theft Auto V. Referred to as FIB in-game
 * FIB Headquarters - the FIB building in Los Santos featured in Grand Theft Auto V
 * FIB Rancher - a vehicle similar to the Albany Cavalcade used by the FIB featured in Grand Theft Auto: Chinatown Wars