Wenzel Wiesner (April 18, 1877 – May 21, 1957) was an American politician who served as the 33rd mayor of Green Bay, Wisconsin, from 1921 to 1927.

Wenzel Wiesner was born on April 18, 1877, in Kewaunee County, Wisconsin.

He was the first secretary of the municipal lighting commission for three years and served as sheriff of Kewaunee County.

He was the last mayor during the commission form of government in Green Bay.

[1][4][5] Wiesner died on May 21, 1957, at his home at 521 Clay Street in Green Bay.