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. Gillies was deputy vice-chancellor (education) and then vice-president (development) of the Australian National University, based in Canberra, Australia, and later at Yale University in the United States. From 1998 to 2001 he was the president of the Australian Academy of the Humanities; and in 2004–6 the inaugural president of the Council for the Humanities, Arts and Social Sciences.
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, and this scholarship saw him elected a Fellow of the Australian Academy of the Humanities. 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.