Wisconsin State Baseball League

The Wisconsin State Baseball League is an amateur summer baseball league based in the states of Wisconsin and Illinois. It is a Class A division of amateur baseball in the State of Wisconsin.

As of the 2017 season, the league comprises six teams. Most league games are seven-inning doubleheaders on weekends, and 9 inning games on Wednesday nights. The weekend schedule enables WSBL teams to play in multiple leagues each season.