The 2025 F4 Brazilian Championship is the fourth season of the F4 Brazilian Championship. It is a multi-event motor racing championship for open wheel, formula racing cars regulated according to FIA Formula 4 regulations.
Teams and drivers.
All pre-selected teams are Brazilian-registered. 
Starrett replaced Oakberry as the titular sponsor of the Bassani Racing team. 
Race calendar.
The schedule with the planned circuits was revealed on 16 January 2025. All rounds will be held in Brazil. All but one round ran alongside the 2025 São Paulo Grand Prix will support the 2025 Stock Car Pro Series events. On 13 June, the first Velo Città round was postponed to at the end of September.
Championship standings.
Points are awarded to the top ten classified finishers in 30-minute races and for the top eight classified finishers in 20-minute races. The final individual classifications will be obtained by dropping two worst scores from the first eighteen held races.
Teams' championship.
"Each team acquired the points earned by their two best drivers in each race."