John Vincent Stanley Megaw,  is a British-born Australian archaeologist with research interests focusing on the archaeology and anthropology of art and musical instruments, and Australasian pre-contact and historical archaeology. He is a specialist in early Celtic art and contemporary Australian Indigenous art.(born 1934)
Megaw was educated at University College School, Hampstead and the University of Edinburgh, and worked on a number key sites in Europe as well as carrying out pioneering work in the South Sydney region of Australia. He undertook extensive research with his wife, Ruth Megaw, on the art of the European pre-Roman Iron Age; they wrote several publications together. In 1961, after working as an editor at Thames and Hudson, he accepted a position at the University of Sydney as Lecturer and subsequently Senior Lecturer in European Iron Age Archaeology. From 1971 to 1982 he held the Chair of Archaeology and Head of Department at Leicester University.
His first appointment at Flinders University, Adelaide, was in 1979. In 1995 he was appointed Professor of Visual Arts and Archaeology at Flinders, retiring in 2003.
His other appointments have included Visiting Professorship at the University of Edinburgh and Senior Honorary Research Fellow in the Department of Archaeology at the University of Glasgow (from 1998 with his wife). Ruth Megaw died in 2013.
- The Flying Dutchman reaches port Vincent Megaw Antiquity 86 (2012): 546–557
- Encyclopedia of Global Archaeology - Megaw, Vincent, Springer Science+Business Media, pp 4769-4772, 2014, doi:10.1007/978-1-4419-0465-2_2392, Subscription required for full article
- Encyclopedia of Australian Science 2010
- "J V S Megaw | Flinders University of South Australia - Academia.edu". flinders.academia.edu. Retrieved 11 January 2022.
- Ruth Megaw obituary by Vincent Megaw, The Guardian Wednesday 31 July 2013
- The Academy Fellows Australian Academy of the Humanities