The 2025 Formula 4 South East Asia Championship was the sixth season of the Formula 4 South East Asia Championship. The championship returned after a one-year break.
The schedule consisted of 14 races over 5 rounds.
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The championship's scoring system was overhauled in 2025. Points were awarded to the top twelve classified drivers, while two further points were awarded for taking a pole position in qualifying.
Ahead of each event, the teams nominated two drivers that accumulated teams' points.