The 2007 Ms. Olympia contest is an IFBB professional bodybuilding competition and part of 2007 was held on September 27, 2007, at the South Hall in the Las Vegas Convention Center in Winchester, Nevada and in the Orleans Arena at The Orleans Hotel and Casino in Paradise, Nevada. It was the 28th Ms. Olympia competition held. Other events at the exhibition include the Mr. Olympia, , and contests.