How many Super Bowl's have the Seahawks won?
As of the 2014 season, the Seattle Seahawks have won one Super
Bowl. They have played in two Super Bowls. Super Bowl XL in 2005,
where they lost to the Steelers 21-10. Additionally, they played in
Super Bowl XLVII on February 2, 2014 in New Jersey, where the
Seattle Seahawks defeated the Denver Broncos 43-8.