Malcolm George William Gillies AM (born 23 December 1954) is an Australian musicologist and linguist, who served as vice-chancellor of City University, London, from 2007 to 2009, and of London Metropolitan University from 2009 to 2014.
An Australian by birth, Gillies graduated with a degree in classics from the Australian National University, and subsequently earned a further degree in music from the University of Cambridge. He has been awarded a master's degree from King's College London, and doctoral degrees in music from the University of London and the University of Melbourne. In 1983–85 he was a Hungarian Government Scholar at the Hungarian Academy of Sciences in Budapest.
Gillies is a recognised authority on the composers Percy Grainger and Béla Bartók. He has written or edited a dozen books and over 100 articles, chapters and reviews. His co-edited book (with David Pear and Mark Carroll), Self-Portrait of Percy Grainger (2006), was awarded a Deems Taylor Award by the American Society of Composers, Authors and Publishers in 2007.
Since 1997 he has edited the series "Studies in Musical Genesis, Structure and Interpretation" for Oxford University Press.
From 2000 to 2010 he was chair of the board of the international contemporary-music ensemble, Elision. In 2011 he curated the "Bartók: Infernal Dance" concert series for the Philharmonia Orchestra.