The 2025 ROKiT F4 British Championship will be a multi-event, Formula 4 open-wheel single seater motor racing championship held across United Kingdom. The championship features a mix of professional motor racing teams and privately funded drivers, competing in Formula 4 cars that conform to the technical regulations for the championship. This, the eleventh season, following on from the British Formula Ford Championship, will be the eleventh year that the cars conform to the FIA's Formula 4 regulations. Part of the TOCA tour, it forms part of the extensive program of support categories built up around the BTCC centrepiece.
The season commences on 26 April at Donington Park, utilising the National circuit, and concludes on 5 October at Brands Hatch, utilising the Grand Prix circuit, after thirty races to be held at ten meetings, eight of them in the support of the 2025 British Touring Car Championship.