As of the start of the 2008 season, the Cowboys have lost three Super Bowls:
SB V - Baltimore Colts 16, Cowboys 13
SB X - Pittsburgh Steelers 21, Cowboys 17
SB XIII - Pittsburgh Steelers 35, Cowboys 31
dallas cowboys
The Pittsburgh Steelers and the Dallas Cowboys.
Super Bowl X Pittsburgh Steelers 21 Dallas Cowboys 17
Dallas Cowboys and the Pittsburgh Steelers played in Super Bowl XXX, with the Cowboys winning 27-17.
Baltimore Colts vs. Dallas Cowboys
Miami Dolphins & Dallas Cowboys
dallas cowboys and green bay packers
Dallas cowboys
The Bills have lost 4 Super Bowls but to only 3 different teams: The Bills lost Super Bowl 25 to the New York Giants. The Bills lost Super Bowl 26 to the Washington Redskins. The Bills lost Super Bowl 27 to the Dallas Cowboys . The Bills lost Super Bowl 28 to the Dallas Cowboys.
Craig Morton started Super Bowl V for the Dallas Cowboys who lost to the Baltimore Colts and Super Bowl XII for the Denver Broncos who lost to the Dallas Cowboys.
The Baltimore Colts defeated the Dallas Cowboys, 16-13, in Super Bowl V.
The Cowboys and the 49ers can never play in the Super Bowl because they are both in the National Football Conference. The Super Bowl is between NFC teams and American Football Conference teams.