The 59th Assembly district of Wisconsin is one of 99 districts in the Wisconsin State Assembly.

[1] Located in eastern Wisconsin, the district comprises parts of northern Washington County, northern Ozaukee County, southern Sheboygan County, northeast Dodge County, and southeast Fond du Lac County.

It includes the villages of Adell, Belgium, Campbellsport, Cedar Grove, Eden, Fredonia, Kewaskum, Random Lake, Saukville, and Theresa, along with part of the city of West Bend.

It also contains the University of Wisconsin–Milwaukee at Washington County campus, the West Bend campus of Moraine Park Technical College, Kettle Moraine State Forest Northern Unit, Cedarburg Bog, Harrington Beach State Park, and most of the Theresa Marsh.

[2] The district is represented by Republican Robert Brooks, since January 2025; Brooks previously represented the 60th district from 2015 to 2025.