Kroncke (February 8, 1837 – June 27, 1915) was an American famer and politician. Born in Germany, Kroncke settled in the town of Randall, Kenosha County, Wisconsin in 1872 and was a farmer.
Kroncke served as a justice of the peace and on the school board.
He was a Democrat In 1893, Kroncke was elected, in a special election, to the Wisconsin State Assembly replacing Daniel A.