The 1906 season was the seventh season overall for the Chicago White Sox, and their sixth season in the major leagues. The Sox won their second American League pennant and their first World Series championship.

The Chicago White Sox are an American professional baseball team based in Chicago. The White Sox compete in Major League Baseball (MLB) as a member club of the American League (AL) Central Division. The team is owned by Jerry Reinsdorf, and plays its home games at Guaranteed Rate Field, located on Chicago's South Side. They are one of two MLB teams based in Chicago, alongside the National League (NL)’s Chicago Cubs.