Joseph Sadoc Alemany y Conill, O.P. (July 3, 1814 – April 14, 1888) was a Catalan American Roman Catholic archbishop and missionary. He served as the first Bishop of Monterey from 1850 until 1853, and as the first Archbishop of San Francisco from 1853 until 1884.

Joseph Sadoc Alemany y Conill, O.P. (July 3, 1814 – April 14, 1888) was a Catalan American Roman Catholic archbishop and missionary. He served as the first Bishop of Monterey from 1850 until 1853, and as the first Archbishop of San Francisco from 1853 until 1884.