William Joseph Scherrer (born January 20, 1958), is a former professional baseball player who pitched in the Major Leagues primarily as a relief pitcher from 1982–1988. He was born in the Town of Tonawanda, New York, and graduated from Cardinal O'Hara High School there in 1976. After retirement, he moved to Grand Island, New York.

In 1984, Scherrer won his first World Series Championship as a player with the Detroit Tigers. In 1997, he won his second World Series Championship as a scout for the Florida Marlins. And in 2005, Scherrer won his third World Series Championship as a scout and special assistant to the general manager, Kenny Williams, for the Chicago White Sox.

On October 26, 2006, Scherrer was inducted into the Greater Buffalo Sports Hall of Fame.^[1] Other inductees included fan favorites Bill Hurley, Bruce Smith, and Dave Andreychuk.