2005 Hurricane Relief 400

Country = United States| Race = Las Vegas| Image = Las Vegas Motor Speedway diagram.svg| Caption = | Date = September 24| Year = 2005| Official name = Champ Car Hurricane Relief 400| Race_No = 11| Season_No = 13| Series = Champ Car| Location = Las Vegas Motor Speedway Las Vegas, Nevada, United States| Course = 1.5 Mile Banked Oval| Course_mi = 1.500| Course_km = 2.414| Distance_laps = 166| Distance_mi = 249.000| Distance_km = 400.724| Weather = Mostly Cloudy (night race)| Pole_Driver = Sébastien Bourdais| Pole_Team = Newman/Haas Racing| Pole_Time = 26.381| Pole_Country = France| Fast_Driver = Sébastien Bourdais| Fast_Team = Newman/Haas Racing| Fast_Time = 26.336| Fast_Lap = 166| Fast_Country = France| First_Driver = Sébastien Bourdais| First_Team = Newman/Haas Racing| First_Country = France| Second_Driver = Oriol Servià| Second_Team = Newman/Haas Racing| Second_Country= Spain| Third_Driver = Jimmy Vasser| Third_Team = PKV Racing| Third_Country = USA|

The 2005 Hurricane Relief 400 was the eleventh round of the 2005 Bridgestone Presents the Champ Car World Series Powered by Ford season, held on September 24, 2005, at the Las Vegas Motor Speedway in Las Vegas, Nevada. Sébastien Bourdais swept the pole and the race victory. With the dissolution of the Champ Car World Series in 2008, this was the final Champ Car race to take place on a high-banked oval of more than a mile in length. Proceeds for the event were donated to Hurricane Katrina and Hurricane Rita relief efforts.