Blood on the Dance Floor: HIStory in the Mix is a remix album by American singer-songwriter Michael Jackson. It was released on May 20, 1997, by Epic Records, and is the second album released by Jackson's own record label, MJJ Productions. The album is made up of eight remixes from Jackson's previous studio album HIStory: Past, Present and Future, Book I and five new songs. Jackson was heavily involved with the production of the new material while the remixes were produced by other artists. Blood on the Dance Floor: HIStory in the Mix incorporates R&B, pop, industrial, hip hop, house, funk and new jack swing. It concerns themes such as drug addiction, sex, relationships and paranoia.
 
Initial sales in the United States were seen as disappointing for Jackson. It peaked at number 24 on the US Billboard 200 chart and after four weeks the record had sold 92,000 copies. Despite this, long term sales were stronger, it was certified platinum in May 2000, for shipments of at least a million units. It was certified Gold in Canada for a minimum of 50,000 shipments.
In Europe the record has been certified for shipments of at least two million copies. Blood on the Dance Floor: HIStory in the Mix debuted atop the UK album chart, by July 1997 it had sold 250,000 units in the United Kingdom and 445,000 units in Germany. The album also peaked at number one in France, Belgium, Spain and New Zealand. Since its debut, the album has sold an estimated six million copies worldwide, making it the best selling remix album ever released.