IGM may refer to:Initiative on Global Markets, at the University of Chicago Booth School of Business IG Metall, German metalworkers' union IGM Financial, Canada Institut Gaspard Monge, at the University of Marne la Vallée International Grandmaster, a chess title Intergalactic medium Kingman Airport (Arizona) Instituto Geográfico Militar (Chile), Chilean national mapping agency Istituto Geografico Militare, Italian national mapping agency Intersex genital mutilation