Chester Stephen Gladchuk, Sr. (April 4, 1917 – September 4, 1967) was an American football offensive lineman in the National Football League for the New York Giants. He played college football at Boston College and was selected as a first-team All-American by the Associated Press in 1940. He was drafted in the second round of the 1941 NFL Draft by the Pittsburgh Steelers. After playing 7 seasons for the New York Giants, and after taking a season off, Gladchuk joined the Montreal Alouettes of the Canadian Football League in 1949, played a full 12 game season, and helped win the Larks first Grey Cup.