2010 Wisconsin elections

The 2010 Wisconsin Fall General Election was held in the U.S. state of Wisconsin on November 2, 2010. All of Wisconsin's executive and administrative officers were up for election as well as one of Wisconsin's U.S. Senate seats, Wisconsin's eight seats in the United States House of Representatives, seventeen seats in the Wisconsin State Senate, and all 99 seats in the Wisconsin State Assembly. The 2010 Wisconsin Fall Partisan Primary was held September 14, 2010.

In the November 2010 elections, Republican candidates swept every statewide race on the ballot in Wisconsin except for Secretary of State. In the process, they won the open seat for Governor and Lieutenant Governor, defeated the incumbent Democratic State Treasurer, and re-elected the incumbent Republican attorney general. They also won control of both chambers of the Wisconsin Legislature, defeated incumbent Democratic U.S. Senator Russ Feingold and U.S. Representative Steve Kagen, and won the open U.S. House seat previously held by Democrat Dave Obey.

The 2010 Wisconsin Spring Election was held on April 6, 2010. This election featured a contested election for the Wisconsin Court of Appeals and several other nonpartisan local and judicial races. The 2010 Wisconsin Spring Primary was held on February 16, 2010.