Devin LeMahieu is an American businessman and Republican politician from Sheboygan, Wisconsin. He is the current majority leader of the Wisconsin Senate, since 2021, and has represented the 9th Senate district since 2015. His father, Daniel LeMahieu, served in the Wisconsin State Assembly.

Sheboygan is a city in and the county seat of Sheboygan County, Wisconsin, United States. The population was 49,929 at the 2020 census. It is the principal city of the Sheboygan metropolitan area, which has a population of 118,034. The city is located on the western shore of Lake Michigan at the mouth of the Sheboygan River, about 50 miles north of Milwaukee and 64 mi (103 km) south of Green Bay.