Leslie Fletchard "Bill" Fleming (July 31, 1913 – June 4, 2006) was an American professional baseball pitcher. A right-hander, the native of Rowland Heights, California, stood 6 feet (1.83 m) tall and weighed 190 pounds (86 kg), and attended Saint Mary's College of California. His professional career lasted for 16 seasons between 1936 and 1953, missing the 1945 campaign because of service in the United States Army during World War II. Fleming died in Reno, Nevada on June 4, 2006, at the age of 92.