The 1975 Italian Grand Prix was a Formula One motor race held at Monza on 7 September 1975. It was race 13 of 14 in both the 1975 World Championship of Drivers and the 1975 International Cup for Formula One Manufacturers. It was the 45th Italian Grand Prix and the 41st to be held at Monza. The race held over 52 laps of the five kilometre circuit for a race distance of 300 kilometres.
The race was won by Swiss driver Clay Regazzoni in his Ferrari 312T in a glorious day for Scuderia Ferrari. It was Regazzoni's third win, Ferrari's fifth win for the season. Regazzoni took a sixteen-second win over the McLaren M23 of outgoing world champion, Brazilian driver Emerson Fittipaldi. Behind Fittipaldi was the second Ferrari of Austrian driver Niki Lauda who secured enough points to win his first out of three world championships.
Entries
Arturo Merzario was driving the Fittipaldi, replacing Wilson Fittipaldi was still recovering from his crash at the Austrian Grand Prix.
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Notes
- This was the Formula One World Championship debut for Italian driver Renzo Zorzi.
- This race marked the 5th Grand Prix win for a Swiss driver and the 25th podium finish for an Austrian driver.
Championship standings after the race
;Drivers' Championship standings
{| class="wikitable" style="font-size: 95%;"
|-
!
! Pos
! Driver
! Points
|-
|align="left"| 10px
|align="center"| 1
| Niki Lauda
| 55.5
|-
|align="left"| 10px 1
|align="center"| 2
| Emerson Fittipaldi
| 39
|-
|align="left"| 10px 1
|align="center"| 3
| Carlos Reutemann
| 37
|-
|align="left"| 10px
|align="center"| 4
| James Hunt
| 30
|-
|align="left"| 10px 3
|align="center"| 5
| Clay Regazzoni
| 25
|-
!colspan=4|Source:
|}
;Constructors' Championship standings
{| class="wikitable" style="font-size: 95%;"
|-
!
! Pos
! Constructor
! Points
|-
|align="left"| 10px
|align="center"| 1
| Ferrari*
| 63.5
|-
|align="left"| 10px
|align="center"| 2
| Brabham-Ford*
| 54 (56)
|-
|align="left"| 10px
|align="center"| 3
| McLaren-Ford
| 47
|-
|align="left"| 10px
|align="center"| 4
| Hesketh-Ford
| 30
|-
|align="left"| 10px
|align="center"| 5
| Tyrrell-Ford
| 24
|-
!colspan=4|Source: