Hell in a Cell (2017) was a professional wrestling pay-per-view (PPV) event and WWE Network event, produced by WWE for the SmackDown brand. It took place on October 8, 2017, at Little Caesars Arena in Detroit, Michigan. It was the ninth event under the Hell in a Cell chronology.
Eight matches were contested at the event, including one on the pre-show, and the main card featured two bouts in the titular match type. In the main event, Kevin Owens defeated Shane McMahon in the namesake match that also had the added stipulation of being falls count anywhere. In the other Hell in a Cell match, which opened the main show, The Usos defeated The New Day to become record three-time SmackDown Tag Team Champions. It was also the first time that a WWE tag team championship was defended in a Hell in a Cell match. Other prominent matches included Jinder Mahal retaining the WWE Championship against Shinsuke Nakamura, and Baron Corbin defeated AJ Styles and Tye Dillinger to win the United States Championship in an impromptu triple threat match. The event was also notable for Bobby Roode's main roster pay-per-view debut where he defeated Dolph Ziggler.