The Pittsburgh Steelers, who share the record with the Dallas Cowboys and the New England Patriots for most Super Bowl appearances with eight, have won six times. Here are the results (victories in bold):
Super Bowl IX (1-12-75) -- Pittsburgh 16, Minnesota Vikings 6.
Super Bowl X (1-18-76) -- Pittsburgh 21, Dallas Cowboys 17.
Super Bowl XIII (1-21-79) -- Pittsburgh 35, Dallas 31.
Super Bowl XIV (1-20-80) -- Pittsburgh 31, Los Angeles Rams 19.
Super Bowl XXX (1-28-96) -- Dallas 27, Pittsburgh 17.
Super Bowl XL (1-5-06) -- Pittsburgh 21, Seattle Seahawks 10.
Super Bowl XLIII (2-1-09) -- Pittsburgh 27, Arizona Cardinals 23.