Joseph Peacock FRIBA (1821 – 17 January 1893) was a British architect.
He became an Associate of the Royal Institute of British Architects (ARIBA) on 13 May 1850 and a Fellow of the Institute (FRIBA) on 19 December 1859.[1] From the late 1850s, he was an "extremely individual" church architect.[1] In 1868 his offices were at 15 Bloomsbury Square, London.[1]