Jaron Giannini (born November 16, 2004) is an American professional stock car racing driver who last competed part-time in the ARCA Menards Series West, driving the No. 23 Toyota for Clark Racing.

Giannini has previously competed in series such as the CARS Tour West Pro Late Model Series, the SRL SPEARS Pro Late Model Series, the Lucas Oil Modified Series, the INEX Winter Nationals, and the Rocky Mountain Legend Racing Association Series.

In 2024, Giannini made his debut in the ARCA Menards Series West at the double-header weekend at Irwindale Speedway, driving the No. 23 Chevrolet for Sigma Performance Services. In the Thursday race, he set the ninth quickest time in the lone practice session, qualified in thirteenth, and finished the race in sixth place. In the Saturday race, Giannini set the eleventh quickest time in practice, qualified in ninth, and finished on the lead lap in fifth place.

(key) (Bold – Pole position awarded by qualifying time. Italics – Pole position earned by points standings or practice time. * – Most laps led. ** – All laps led.)