The 43rd Assembly district of Wisconsin is one of 99 districts in the Wisconsin State Assembly.

[1] 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.

[2] The district is represented by Democrat Brienne Brown, since January 2025.

This article about a location in the state of Wisconsin is a stub.