William John Froats (October 20, 1930 – February 9, 1998) was a Major League Baseball pitcher. A native of New York City, the 6 ft 0 in (1.83 m), 180 lb. left-hander was signed by the Detroit Tigers before the 1951 season. He appeared in one game for Detroit in 1955. He was drafted by the New York Giants from the Tigers on December 3, 1956. He never again appeared in a major league contest but had a successful career with the Buffalo Bisons of the AAA International League.