The Pittsburgh Steelers lost the Super bowl in 2011.
The Minnesota Vikings lost to the Dolphins in Super Bowl VIII, the Steelers in Super Bowl IX, and the Raiders in Super Bowl XI.
Through Super Bowl XLII, that is 31 points by the Dallas Cowboys who lost Super Bowl XIII to the Pittsburgh Steelers, 35-31.
Los Angeles/St. Louis Rams. The Rams lost Super Bowl XIV, won Super Bowl XXXIV, and lost Super Bowl XXXVI for a record in Super Bowls of 1-2.
The Dallas Cowboys have lost three Super Bowls, all three played at the Orange Bowl in Miami.
The Pittsburgh Steelers lost the Super bowl in 2011.
redskins
Kansas City Chiefs were the fist team to lose a Super Bowl.
The Minnesota Vikings lost to the Dolphins in Super Bowl VIII, the Steelers in Super Bowl IX, and the Raiders in Super Bowl XI.
Through Super Bowl XLIV, no team has been shut out in a Super Bowl. The fewest points scored by a team in the Super Bowl is 3 points by the Miami Dolphins in Super Bowl VI when they lost to the Dallas Cowboys, 24-3.
They lost to the Baltimore Ravens in 2000 Super Bowl 34-7
The Patriots lost to the Giants 17-14.
No National Football League team has ever lost the Super Bowl seven times. The record for most Super Bowl losses is five, held by the Denver Broncos. They have won twice.
Through Super Bowl XLII, that is 31 points by the Dallas Cowboys who lost Super Bowl XIII to the Pittsburgh Steelers, 35-31.
The Atlanta Falcons
The Buffalo Bills.
The Kansas City Chiefs lost the first Super Bowl to the Green Bay Packers 35-10.