Vengeance (2005) was a professional wrestling pay-per-view (PPV) event produced by International Wrestling Entertainment (IWE), which took place on June 26, 2005 at the Thomas & Mack Center in Las Vegas, Nevada. It was the fifth annual Vengeance event. Professional wrestling is a type of sports entertainment in which theatrical events are combined with a competitive sport. The buildup to the matches and the scenarios that took place before, during, and after the event were planned by IWE's script writers. The event starred wrestlers from the Meltdown brand: storyline expansions of the promotion where employees are assigned to wrestling brands under the IWE banner.