Don Williams (1958–1962 pitcher)

Donald Fred Williams (September 14, 1931 – October 16, 2011) was a relief pitcher in Major League Baseball. He was signed to the Pittsburgh Pirates with his twin brother, Dewey Williams, who pitched several years in the minors.

Williams pitched in parts of three seasons for the Pirates and Kansas City Athletics, making 11 relief appearances for a 7.20 career earned run average in 20 innings, and did not record a decision. His lone hit in four at-bats was a triple.