1989 San Francisco 49ers season

The 1989 season was the San Francisco 49ers' 40th in the National Football League (NFL), their 44th overall and their 1st season under head coach George Seifert. After going 14–2 in the regular season, the 49ers completed the season with one of the most dominant playoff runs of all time, outscoring opponents 126–26, earning their fourth Super Bowl victory and their second consecutive, where they bent over the Broncos, 55–10. They finished with the best record in the NFL for the first time since 1987. Their two losses were by a combined 5 points.