Yes, in 1996 and in 2011.
The Pittsburgh Steelers Lost )=
The first time the Pittsburgh Steelers lost in the Super Bowl was January 28, 1996 in Super Bowl XXX. They lost to the Dallas Cowboys 27 - 17.
The 1995 Pittsburgh Steelers quarterback in the 1996 Super Bowl was Neil O'Donnell.
No but they made a Super Bowl. They lost to the Pittsburgh Steelers 27-23.
The Pittsburgh Steelers lost Super Bowl XLV. They were defeated by the Green Bay Packers, 31-25.
The Dallas Cowboys lost twice to the Pittsburgh Stelers in the Super Bowl. Dallas lost Super Bowl X 21-17 and Super Bowl XIII 35-31.
The Minnesota Vikings lost to the Dolphins in Super Bowl VIII, the Steelers in Super Bowl IX, and the Raiders in Super Bowl XI.
No, They lost to Dallas in Super Bowl XXX.
The Pittsburgh Steelers beat the Minnesota Vikings 16-6 in Super Bowl 9 (IX).
Through Super Bowl XLII, that is 31 points by the Dallas Cowboys who lost Super Bowl XIII to the Pittsburgh Steelers, 35-31.
The Seattle Seahawks lost to the Pittsburgh Steelers in Superbowl 40.
The Steelers lost to the Dallas Cowboys 27-17 in Super Bowl XXX.