Geoffrey John Wainwright MBE (19 September 1937 – 6 March 2017) was a British archaeologist specializing in prehistory. He was the Chief Archaeologist of English Heritage from 1989 to 1999. He served as visiting professor to a number of universities. He served as President of the Prehistoric Society from 1981 to 1985 and the Society of Antiquaries of London from 2007 to 2010.
Wainwright was born in Pembrokeshire, Wales. He studied at Cardiff University and at UCL Institute of Archaeology. Wainwright died on 6 March 2017 in Pembrokeshire, Wales, aged 79.