William Lee Jennings (September 28, 1925 – October 20, 2010) was a shortstop in Major League Baseball. Listed at 6 ft 2 in (1.88 m), 175 lb., he batted and threw right-handed. He studied business at Washington University. A native of St. Louis, Missouri, Jennings played briefly for the St. Louis Browns during the 1951 season. He was signed by the New York Giants in 1946 and immediately was assigned to their Minor league system. He then was purchased by the Browns from the Giants in 1951. Jennings died in his hometown of St. Louis, Missouri, at the age of 85.