Frank Harold Gabler (November 6, 1911 – November 1, 1967) was a right-handed Major League Baseball pitcher who played for the New York Giants (1935–37), Boston Bees (1937–38) and Chicago White Sox (1938). He was nicknamed The Great Gabbo. Gabler appeared in one World Series – in 1936. He made two relief appearances against the New York Yankees and posted a 7.20 ERA. He died from a heart attack at age 55 in Long Beach, California, on November 1, 1967, five days shy of his birthday.