The Chiefs are the Broncos' divisional and oldest rivals, dating back to the AFL days. They have played each other twice a year since 1960, and have met in the playoffs four times. The Chiefs lead the all-time series 67-55, but the Broncos have won three Super Bowls to the Chiefs' two.
The Raiders are another divisional and bitter rival of the Broncos, stemming from their AFL and AFC West clashes. The rivalry intensified in the 1970s and 1980s, when both teams were among the best in the league and frequently fought for playoff spots. The Raiders lead the all-time series 65-54-2, and have won three Super Bowls to the Broncos' three.
The Patriots are a recent and non-divisional rival of the Broncos, mainly due to their frequent meetings in the playoffs and the quarterback duels between Tom Brady and Peyton Manning. The Broncos are the only team that has a winning record against the Patriots in the Brady-Belichick era, and have eliminated them from the postseason five times. The Broncos lead the all-time series 30-23, and have won three Super Bowls to the Patriots' six.
The Steelers are another non-divisional rival of the Broncos, who have also faced each other in the playoffs eight times, more than any other pair of teams in the AFC. The Broncos have won five of those meetings, including two AFC Championship Games. The Steelers lead the all-time series 20-12-1, and have won six Super Bowls to the Broncos' three.
The Seahawks are a former divisional and current interconference rival of the Broncos, who were both members of the AFC West from 1977 to 2001. The rivalry was renewed in Super Bowl XLVIII, when the Seahawks crushed the Broncos 43-8, handing them the largest margin of defeat in Super Bowl history. The Seahawks lead the all-time series 38-21, and have won one Super Bowl to the Broncos' three.