William Harrell (July 18, 1928 – May 6, 2014) was an American reserve infielder in Major League Baseball who played between 1955 and 1961 for the Cleveland Indians (1955, 1957–1958) and Boston Red Sox (1961).

Listed at 6 feet 1 inch (1.85 m), 180 pounds (82 kg), Harrell batted and threw right-handed.

Harrell attended Siena College, and began his professional career with the Negro league Birmingham Black Barons in 1951.

After finishing his professional playing career in the Red Sox farm system in 1966, Harrell briefly served as a Boston scout.

[6][7] On January 13, 2006, Harrell became the first Siena Saints basketball player to have his jersey number (#10) retired by the school.