Night of Champions (2015) was a pay-per-view (PPV) event produced by WWE. It took place on September 20, 2015 at Toyota Center in Houston, Texas. It was the ninth event under the WWE Night of Champions chronology. This was the second Night of Champions event to be held in Houston, after Vengeance: Night of Champions in 2007.
- Kick-Off - The Cosmic Wasteland (Stardust and The Ascension (Konnor and Viktor)) defeated Neville and The Lucha Dragons (Kalisto and Sin Cara)
- Kevin Owens defeated Ryback (c) for the WWE Intercontinental Championship
- Dolph Ziggler defeated Rusev (with Summer Rae)
- The Dudley Boyz (Bubba Ray Dudley and D-Von Dudley) defeated The New Day (Kofi Kingston and Big E) (c) (with Xavier Woods) by disqualification for the WWE Tag Team Championship
- Charlotte (with Paige and Becky Lynch) defeated Nikki Bella (c) (with Brie Bella and Alicia Fox) by submission for the WWE Divas Championship; Had Nikki been counted out or disqualified, Charlotte would have won the championship.
- The Wyatt Family (Bray Wyatt, Luke Harper and Braun Strowman) defeated Roman Reigns, Dean Ambrose and Chris Jericho by knockout
- John Cena defeated Seth Rollins (c) for the WWE United States Championship
- Seth Rollins (c) defeated Sting for the WWE (World Heavyweight) Championship