Jerry Dean Hinsley (born April 9, 1945) is an American former professional baseball player, a right-handed pitcher whose career extended from 1963 through 1971.

Hinsley stood 5 feet 11 inches (1.80 m) tall and weighed 165 pounds (75 kg), and originally signed with the Pittsburgh Pirates in 1963 out of high school in Las Cruces, New Mexico.

Hinsley began the 1964 season on the Mets' roster and made his debut in professional baseball in the Majors on April 18 against his old organization, the Pirates, in relief.

He gave up five hits and two earned runs (coming from a two-run triple by future Hall of Famer Roberto Clemente) in two innings.

[1] He made his first start on May 10 against the St. Louis Cardinals at Shea Stadium and lasted 2⅔ innings, yielding four runs and absorbing his first MLB loss.