IW

IW may refer to:

Arts, entertainment and media

 * Infinity Ward, a video game developer
 * IW (game engine)
 * InfoWorld, an information technology media business
 * Industrial Worker, the newspaper of the Industrial Workers of the World
 * I. W. Publications, a defunct comic book publisher
 * Call of Duty: Infinite Warfare, a 2016 video game published by Activision

Other uses

 * Information warfare
 * Isle of Wight
 * Ipswich
 * Irregular warfare
 * German Economic Institute (German: Institut der deutschen Wirtschaft Köln e.V.) (IW)
 * IW, the signature of one of the master founders of the Whitechapel Bell Foundry
 * L85 Individual Weapon (IW), a variant of the British SA80
 * AOM French Airlines, IATA code IW
 * Wings Air, IATA code IW
 * IWBank, an Italian online bank