Otis C. Norcross (November 2, 1811 – September 5, 1882) served as the nineteenth Mayor of Boston, Massachusetts, from January 7, 1867 to January 6, 1868 during the Reconstruction era of the United States. Norcross was a candidate (1861) for the Massachusetts State House of Representatives; served as a member of Boston's Board of Aldermen from January 6, 1862 to January 2, 1865; Chairmen of the Board of Aldermen from January 4, 1864 to January 2, 1865; and served as a Trustee of the City Hospital, 1865 & 1866; and a member of the Massachusetts Governor's Council, under Gov. William Claflin (1869).