The 2021 F3 Asian Championship was a multi-event, Formula 3 open-wheel single seater motor racing championship. The championship featured a mix of professional and amateur drivers, competing in Formula 3 cars that conform to the FIA Formula 3 regulations for the championship. This was the fourth season of the championship and was won by Guanyu Zhou for Abu Dhabi Racing by Prema. The season consisted of five consecutive weekends in January and February of 2021.