- For his son, see Chet Gladchuk Jr..
Chester Stephen Gladchuk Sr. (April 4, 1917 – September 4, 1967) was an American football center who played professionally in the National Football League (NFL) 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 seven 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. Gladchuk was elected to the College Football Hall of Fame in 1975.