The 2011 Hell in a Cell was the third annual Hell in a Cell professional wrestling pay-per-view (PPV) event produced by WWE. It took place on October 2, 2011, at the New Orleans Arena in New Orleans, Louisiana. Seven matches took place at the event. The event received 182,000 pay-per-view buys, down from 210,000 buys the previous year.

Eight matches took place at the event, including one match on the pre-show. In the main event, Alberto Del Rio defeated CM Punk and defending champion John Cena in the first-ever Triple Threat Hell in a Cell match to win the WWE Championship. The event also featured a second Hell in a Cell match in which Mark Henry defeated Randy Orton in a Hell in a Cell match to retain the World Heavyweight Championship.