The Cathedral of the Immaculate Conception is a Catholic Cathedral located in Camden in Camden County, New Jersey. It is the seat of the Diocese of Camden, and it was listed on the National Register of Historic Places in 2003 as the Church of the Immaculate Conception. Built in 1864, it was officially designated as a cathedral in 1937.

The Diocese of Camden s is a Latin Church diocese of the Catholic Church in the U.S. state of New Jersey. It consists of 62 parishes and about 475,000 Catholics in the South Jersey counties of Atlantic, Camden, Cape May, Cumberland, Gloucester, and Salem.