William Harlan Wilson (September 19, 1942 – August 11, 1993) was an American professional baseball player who appeared in 179 games over all or part of five seasons in Major League Baseball for the Philadelphia Phillies from 1969 to 1973. He was born in Pomeroy, Ohio and attended Pomeroy High School, and then attended Marshall University. A pitcher, he threw and batted right-handed, stood 6 feet 2 inches (1.88 m) tall and weighed 195 pounds (88 kg).