2023 Formula Pro USA Winter Series

The 2023 Formula Pro USA Winter Series was the third season of the winter series for Formula Regional and Formula 4 cars held as counterpart to the Formula Pro USA Western Championships. As is the main series, the winter championship is promoted and organized by Exclusive Racing and Exclusive Auctions. The championship was run under the same sporting regulations as the FIA-sanctioned Formula Regional Americas Championship and Formula 4 United States Championship.

Formula Pro USA 3 (FPUSA-3)
All drivers competed with Honda-powered Ligier JS-F3 cars on Avon tires.

Formula Pro USA 4 (FPUSA-4)
All drivers competed with Honda-powered Ligier JS-F4 cars on Avon tires.

Race calendar
The 2023 winter series calendar consisted of two rounds with two races each. Compared to 2022, Auto Club Speedway did not return to the schedule, with Thunderhill Raceway Park replacing it.

Championship standings
Points were awarded as follows: