William Robert Wight (April 12, 1922 – May 17, 2007) was an American pitcher in Major League Baseball who played from 1946 through 1958 for the New York Yankees (1946–47), Chicago White Sox (1948–50), Boston Red Sox (1951–52), Detroit Tigers (1952–53), Cleveland Indians (1953, 1955), Baltimore Orioles (1955–57), Cincinnati Reds (1958) and St. Louis Cardinals (1958). Listed at 6 ft 1 in (1.85 m), 180 lb. Wight batted and threw left-handed. He was born in Rio Vista, California.
In a twelve-season career, Wight posted a 77–99 record with 574 strikeouts and a 3.95 ERA in 347 appearances, including 198 starts, 66 complete games, 15 shutouts and eight saves in 1,563 innings of work.
Wight scouted for the Houston Colt .45s/Astros and Atlanta Braves for 37 years after his active career ended — signing Baseball Hall of Fame second baseman Joe Morgan for Houston in 1962. He died in Mount Shasta, California, at the age of 85.