2023 6 Hours of Monza

The 2023 6 Hours of Monza was an endurance sports car racing event held at the Autodromo Nazionale di Monza, Monza, Italy on 9 July 2023. It was the fifth round of the 2023 FIA World Endurance Championship, and was the third running of the event as part of the championship.

Background
The provisional calendar for the season was revealed in September 2022. The Monza event returned to the calendar for the third consecutive year.

Entry list
The entry list was revealed on 28 June 2023. The entry list consists of 13 Hypercar entries, 11 LMP2 entries, and 12 LMGTE Am entries. In Hypercar, the No. 99 Proton Competition Porsche 963 entered with their customer car for the first team this season, bringing the total customer teams up to two. In the No. 4 Floyd Vanwall Racing Team entry, João Paulo de Oliveira replaced Tom Dillmann. Furthermore, Nathanaël Berthon replaced Ryan Briscoe in the No. 708 Glickenhaus Racing entry. In LMP2, Andrea Caldarelli returned to the No. 9 Prema Racing team after missing Le Mans. Furthermore, Mathias Beche replaced Mirko Bortolotti at the No. 63 Prema Racing team. At United Autosports, Ben Hanley and Giedo van der Garde replaced Filipe Albuquerque and Tom Blomqvist at the No. 22 and No. 23 cars, respectively, due to Albuquerque and Blomqvist driving at the IMSA race this weekend. In LMGTE Am, the No. 88 Proton Competition and No. 98 NorthWest AMR machines were absent. Furthermore, Efrin Castro made his debut in the WEC with Team Project 1. Kei Cozzolino replaced Daniel Serra at the No. 57 Kessel Racing team.

Free practice

 * Only the fastest car in each class is shown.

Qualifying
Pole position winners in each class are marked in bold.

Race
The minimum number of laps for classification (70% of overall winning car's distance) was 140 laps. Class winners are in bold and ‡.