Charles Connor Mosack (born January 20, 1999) is an American professional stock car racing driver.

Mosack began his career in 2018 at the age of 19, throughout 2018 and 2019 he would win multiple Legends car championships and races.

In 2019, he made his CARS Tour debut in the season finale at South Boston Speedway for JR Motorsports, he would finish 12th.

Mosack is set to run 9 select Late Model races in 2023 in addition to his NASCAR and Trans-Am schedule.

Mosack would first make his debut at the 2021 Henry Ford Health System 200, ultimately retiring due to a fuel pump problem and finishing 16th.

[3] Mosack scored his first career ARCA win at Kansas Speedway, holding off Carson Kvapil in the final few laps.

On June 30, 2022, Bret Holmes Racing announced that Mosack would make his Truck Series debut in the team's No.

* Season still in progress 1 Ineligible for series points (key) (Bold – Pole position awarded by qualifying time.