Jason Hewitt (born 17 September 1974) is an Australian former professional baseball infielder and outfielder. He represented Australia at the 1996 Summer Olympics.
Hewitt played one professional season in 1994 with the Duluth-Superior Dukes of the Northern League. In 48 appearances for the Dukes, Hewitt slashed .209/.316/.284 with two home runs, eight RBI, and three stolen bases.