The 1980 Monaco Grand Prix was a Formula One motor race held at Monaco on 18 May 1980. It was the sixth round of the 1980 Formula One season. The race was the 38th Monaco Grand Prix. The race was held over 76 laps of the 3.34-kilometre circuit for a total race distance of 254 kilometres. It was won by Carlos Reutemann driving a Williams FW07B. The win was the Argentine Reutemann's tenth Formula One victory and his first since the 1978 United States Grand Prix. He also became the fifth winner in