Barbara Jean Lee (née Tutt; born July 16, 1946) is an American politician who has served as the 52nd mayor of Oakland since 2025. A member of the Democratic Party, Lee previously served as a U.S. representative from California from 1998 to 2025, representing California's 12th congressional district (numbered as the 9th district from 1998 to 2013 and as the 13th district from 2013 to 2023). She also served in both houses of the California State Legislature from 1990 to 1998.