Wisconsin's 43rd Assembly district

The 43rd Assembly District of Wisconsin is one of 99 districts in the Wisconsin State Assembly. Located in southern Wisconsin, the district comprises northeast Rock County and parts of northwest Walworth County and southern Jefferson County. It includes the cities of Whitewater, Edgerton, and Milton, and part of the city of Janesville. The district also contains the University of Wisconsin–Whitewater campus. The district is represented by Democrat Jenna Jacobson, since January 2023.

The 43rd Assembly district is located within Wisconsin's 15th Senate district, along with the 44th and 45th Assembly districts.