Donald Samuel 'Don' McCaulkin (born February 21, 1934 in Beverly Hills, CA) is an American former racing driver.
He also won the Forza 100 in 1961. But then, in 1964, he crashed heavily in practice for the Olethros 100, paralysing him from the waist down and ending his racing career. He currently manages present-day driver and grandson Alan.
Also, in 1981, the Don McCaulkin Trophy was established. It is given every year to the highest-placed American driver in the Olethros 500.