The 15th Assembly district of Wisconsin is one of 99 districts in the Wisconsin State Assembly.

[1] Located in southeastern Wisconsin, the district comprises part of eastern Waukesha County.

It contains all of the city of Pewaukee, and the village of Pewaukee, along with most of the city of Brookfield, and part of the city of Waukesha.

The district also contains Waukesha County Technical College, Brookfield Square mall, and Capitol Airport.

[2] The district is represented by Republican Adam Neylon, since January 2025; Neylon previously represented the 98th district from April 2013 to January 2025.