Night of Champions (2011) was a pay-per-view event produced by WWE and presented by WowWee's Light Strike that took place on September 18, 2011 at the First Niagara Center in Buffalo, New York. It was the fourth annual WWE Night of Champions event and the eleventh in the WWE Vengeance/Night of Champions overall chronology.
- Dark - Daniel Bryan defeated Heath Slater by submission
- Air Boom (Evan Bourne and Kofi Kingston) (c) defeated Awesome Truth (The Miz and R-Truth) by disqualification for the WWE Tag Team Championship
- Cody Rhodes (c) defeated Ted DiBiase for the WWE Intercontinental Championship
- Dolph Ziggler (c) (with Vickie Guerrero) defeated Jack Swagger, Alex Riley and John Morrison - Fatal Four-way match for the WWE United States Championship
- Mark Henry defeated Randy Orton (c) for the WWE World Heavyweight Championship
- Kelly Kelly (c) (with Eve Torres) defeated Beth Phoenix (with Natalya) for the WWE Divas Championship
- John Cena defeated Alberto Del Rio (c) (with Ricardo Rodriguez) by submission for the WWE Championship
- Triple H defeated CM Punk - No Disqualification match; If Triple H lost, he would have to resign as the COO of WWE