Mandela Barnes (born December 1, 1986) is an American politician and community organizer. Barnes is the 45th Lieutenant Governor of Wisconsin since 2019. He was born in Milwaukee, Wisconsin. He was a member of the Wisconsin State Assembly from 2013 to 2017.
Barnes was the Democratic nominee for Lieutenant Governor of Wisconsin in the 2018 election running alongside Tony Evers and they won the general election in November 2018.
In July 2021, Barnes announced his candidacy for United States Senate in the 2022 election running against Republican Senator Ron Johnson. If elected, he would be the first Black person to represent Wisconsin in the U.S. Senate. In August 2022, he won the Democratic nomination.