The Cowboys and the 49ers each won 5 Super Bowls. The Steelers have won 6 Super Bowls.
Pittsburgh Steelers have won 6 Super Bowls
The Afc teams have won 21 of the 45 Super bowls so far
As of 2018 (Super Bowl 52), AFC teams had won 23 of the 48 NFC-AFC games. For the first 4 Super Bowls, the NFL won 2 and the AFL won 2.
The Pittsburgh Steelers
The teams that have won 5 super bowls are the San Fransisco 49ers, the Dallas Cowboys and the Pittsburgh Steelers.
1. The Pittsburgh Steelers.