Peter Barca

Peter William Barca (born August 7, 1955) is an American Democratic politician from Kenosha, Wisconsin. He was the 14th secretary of the WisconsinDepartment of Revenue (2019–2024) in the administration of Governor Tony Evers. He was a candidate for U.S. House of Representatives in Wisconsin's 1st congressional district in 2024 losing to incumbent Bryan Steil; he previously represented the district during the 103rd Congress (1993–1995).

Barca also served nine terms in the Wisconsin State Assembly, covering the years 1985 through 1993 and 2009 through 2019, and was elected Democratic floor leader from 2011 through 2017. He represented the north side of the city of Kenosha and part of Somers. Between his stints in the Assembly, he also served as the Midwest Regional Administrator of the U.S. Small Business Administration during the presidency of Bill Clinton.