The 1975 Monaco Grand Prix was a Formula One motor race held in Monaco on 11 May 1975. It was race 5 of 14 in both the 1975 World Championship of Drivers and the 1975 International Cup for Formula One Manufacturers. It was the 33rd Monaco Grand Prix since the race was first held in 1929. It was held over 75 of the scheduled 78 laps of the three kilometre street circuit, for a race distance of 245 kilometres.
The race, which began under rain conditions, was won by Austrian driver Niki Lauda giving the new Ferrari 312T its first win. The win broke a 20-year drought at Monaco for Ferrari. Lauda dominated the race, only losing the lead during a pitstop. He won by two seconds over the McLaren M23 of Emerson Fittipaldi. Carlos Pace finished third in his Brabham BT44B.