Marvin Edward Grissom (March 31, 1918 – September 18, 2005) was an American professional baseball pitcher and pitching coach.
During his active career he appeared in 356 games in Major League Baseball for the New York and San Francisco Giants (1946 and 1953–58), Detroit Tigers (1949), Chicago White Sox (1952), Boston Red Sox (1953) and St.
Louis Cardinals (1959).
Born in Los Molinos, California, he threw and batted right-handed, stood 6 feet 3 inches (1.91 m) tall and weighed 190 pounds (86 kg).
An elder brother, Lee, was a left-handed pitcher for four MLB teams between 1934 and 1941.