The 2023 4 Hours of Barcelona was an endurance sportscar racing event held between 21 and 23 April 2023, as the first round of the 2023 European Le Mans Series season.
The pre-event entry list consisted of 42 entries in 4 categories - 7 in LMP2, 11 in LMP2 Pro-Am, 12 in LMP3 and 12 in LMGTE.
Rob Hodes was replaced by Dennis Andersen in No. 19 Team Virage after a crash in the Bronze Drivers Collective Test that made Hodes visit a hospital.
Pole position winners in each class are marked in bold.
The minimum number of laps for classification (70% of overall winning car's distance) was 98 laps. Class winners are marked in bold.