Mandela Barnes

Mandela Barnes
Barnes in 2022
45th Lieutenant Governor of Wisconsin
In office
January 7, 2019 – January 3, 2023
GovernorTony Evers
Preceded byRebecca Kleefisch
Succeeded bySara Rodriguez
Member of the Wisconsin State Assembly
from the 11th district
In office
January 7, 2013 – January 3, 2017
Preceded byJason Fields
Succeeded byJason Fields
Personal details
BornJesse Mandela Barnes
(1986-12-01) December 1, 1986
PartyDemocratic
EducationAlabama A&M University (BA)
Signature
WebsiteCampaign website

J. Mandela Barnes (born December 1, 1986) is an American politician who served as the 45th lieutenant governor of Wisconsin from 2019 to 2023. A member of the Democratic Party, he was the state representative for the 11th district from 2013 to 2017. Barnes is the first African American to serve as Wisconsin's lieutenant governor.

Barnes was the Democratic nominee in the 2022 United States Senate election in Wisconsin, losing to incumbent Republican Senator Ron Johnson.

On December 2, 2025, Barnes announced his candidacy for governor in 2026.