The 2013 Ms. Olympia contest is an IFBB professional bodybuilding competition and part of Joe Weider's Olympia Fitness & Performance Weekend 2013
to be held on September 27, 2013, 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 34th Ms. Olympia competition held. Other events at the exhibition include the 212 Olympia Showdown, Mr. Olympia, Fitness Olympia, Figure Olympia, Bikini Olympia, Women's Physique Showdown, and Men's Physique Showdown contests.