Jack Leland Feller (born December 10, 1936) is a retired American professional baseball player. A catcher, he played five years professionally (1955–1959) and appeared in one inning of one Major League Baseball game with the 1958 Detroit Tigers. He batted and threw right-handed, stood 5 feet 10 inches (1.78 m) tall and weighed 185 pounds (84 kg). Feller batted .272 in 474 minor league games before leaving baseball. His scouting report in the March 1959 issue of Baseball Digest read: "Good arm and glove. Hitting problematical."