2017–18 Formula 4 South East Asia Championship

It began on 30 September 2017 at the Sepang International Circuit and finished on 15 April 2018 at the same venue, after 29 races held across five rounds on three countries.

[1] The first round at Sepang will be held in support the 2017 Malaysian Grand Prix, whereas the two final rounds in Buriram and Sepang will support the 2017–18 Asian Le Mans Series.

Due to an incident involving F1 driver Romain Grosjean, which required track fixing operations, the first race of the opening Sepang round had to be postponed.

On November 20, organizers cancelled round 3 at the Sentul International Circuit in Indonesia due lo logistical complications.

Due to miscalculation of the fuel level, no cars were able to finish full race distance of the third race in the opening round of the season at Sepang because of lack of petrol.