The 1973 Italian Grand Prix was a Formula One motor race held at Monza on 9 September 1973. It was race 13 of 15 in 1973 Formula One sason.

The race was won from pole position by Ronnie Peterson, driving a Lotus-Ford, with teammate Emerson Fittipaldi second and Peter Revson third in a McLaren-Ford. Jackie Stewart suffered a puncture early in the race which dropped him to 20th, but charged through the field to finish fourth, which was enough to secure his third Drivers' Championship. Stewart's Tyrrell teammate François Cevert finished fifth, scoring what would turn out to be the final points of his Formula One career.