William Douglas Long
- Bats Right, Throws Right
- Height 6' 0", Weight 185 lb.
- School Miami University
- High School Moeller High School
- Debut July 21, 1985
- Final Game April 14, 1991
- Born February 29, 1960 in Cincinnati, OH USA
Bill Long pitched a two-hitter on May 5, 1987 as a member of the Chicago White Sox against the New York Yankees. It was his first appearance and start of the season. The hits were two singles by Dan Pasqua. Joe Niekro also pitched a two-hitter in that game, but the White Sox won, 2-0.