Leonard A. Groshek (June 13, 1913 – January 21, 1988) was an American teacher, farmer, and legislator.
Born in the town of Stockton, Wisconsin, Groshek received his teachers certificate at University of Wisconsin–Stevens Point.
He was a teacher, farmer, retail merchant, insurance agent, and factory worker.
He served in the Wisconsin State Assembly as a Democrat.
This article about a Democratic Party member of the Wisconsin State Assembly is a stub.