The 2013 SummerSlam was the 26th annual SummerSlam professional wrestling pay-per-view (PPV) event produced by WWE. It took place on August 18, 2013, at Staples Center in Los Angeles, California for the fifth consecutive year. The event's card consisted of nine matches, including one on the Kickoff pre-show.

In the main event, Daniel Bryan defeated John Cena to become the new WWE Champion, with Triple H acting as special guest referee, only to be attacked by Triple H and lose it minutes later to Randy Orton, who cashed in the Money in the Bank contract. In other prominent matches, Alberto Del Rio defeated Christian to retain the World Heavyweight Championship and Brock Lesnar defeated CM Punk in a No Disqualification match.

The event received 296,900 buys, down from previous year's event of 358,000.