The 1979 United States Grand Prix West, alternatively known as the 4th United States Grand Prix West or the V Lubri Lon Grand Prix of Long Beach, was the fourth round of the 1979 FIA Formula One World Championship, staged at the Long Beach Street Circuit on the 8 April 1979. The race would be fondly remembered for a dominant performance by Gilles Villeneuve, who claimed his one and only career Grand Chelem after collecting pole, fastest lap and victory.