Dean Harry Anthony Hart was a Canadian–American amateur wrestler, professional wrestler, referee, wrestling as well as music promoter and member of the Hart family who wrestled in Canadian regional promotions during the 1970s and 1980s, most notably in the Calgary-based Stampede Wrestling. He was the son of Stu and Helen Hart and the younger brother of Smith, Bruce, Keith and Wayne, as well as older brother of Ellie, Georgia, Bret, Alison, Ross, Diana and Owen Hart. Dean was widely regarded as the most handsome of the Hart brothers. He died at the age of 36 in 1990, from a heart attack induced by kidney failure.

The Hart wrestling family, sometimes known as the Hart dynasty, is a mainly Canadian family with a significant history within professional wrestling. The patriarch of the family was wrestling legend Stu Hart (1915–2003). An amateur and professional wrestling performer, promoter and trainer, Stu owned and operated his own wrestling promotion, Stampede Wrestling. He also trained some of the most well known stars in wrestling history including "Superstar" Billy Graham, Fritz Von Erich, Chris Jericho, Chris Benoit, and his own sons Bret Hart and Owen Hart.