Rev. Bradford Leavitt (born 1868) was a Harvard-educated Unitarian minister named pastor of San Francisco's First Unitarian Church in 1900 – six years before the San Francisco earthquake. Leavitt served the church during and after the disaster, earning a reputation for effective leadership. During his time at First Unitarian, Leavitt also wrote editorials for The San Francisco Chronicle. Later the activist Leavitt exposed corruption in San Francisco's government, resulting in the Mayor's conviction on corruption charges, as well as the resignation of the city's entire Board of Supervisors.