MGM Mirage ( ) is a Las Vegas, Nevada-based business engaged in the development, ownership and operation of hotels and casinos throughout the world. The company began operations on May 31, 2000 after the completion of a merger of MGM Grand Inc. and Mirage Resorts, Inc. It is currently the second largest gaming company in the world. Billionaire Kirk Kerkorian and his Tracinda Corporation are currently the majority owners of MGM Mirage. Kerkorian was also the former owner of the Metro-Goldwyn-Mayer movie studio, from which the predecessor corporation MGM Grand, Inc. derived its name.

As of 2005, the company owns 831 acres (3.4 km²) of property on the Las Vegas Strip. Its yearly revenue is around $7.4 billion USD. The company also owns the recently completed hot spot MGM Grand Detroit, in downtown Detroit, Michigan and recently opened MGM Grand Macau in December 2007, owned and operated through a 50/50 partnership between MGM Mirage and Pansy Ho Chiu-king.