Glen Ester Clark (March 8, 1940 – January 25, 2018) was a pinch hitter in Major League Baseball who played for the Atlanta Braves during the 1967 season. Listed at 6 ft 1 in (1.85 m), 190 lb., Clark was a switch-hitter and threw right-handed. He was born in Austin, Texas.
Clark was 26 years old when he entered the majors in 1967 with Atlanta, being limited to pinch-hitting duties. He appeared in four games and was hitless in four at-bats.
Clark died January 25, 2018.