The Peacock Mausoleum is a Victorian Gothic memorial to Richard Peacock (1820–1889), engineer and Liberal MP for Manchester, and to his son, Joseph Peacock. It is situated in the cemetery of Brookfield Unitarian Church, Gorton, Manchester. The mausoleum was designed by the prolific Manchester architect Thomas Worthington. It was listed Grade II* on the National Heritage List for England on 3 October 1974.