Judith Ruth Buchanan (born 1967) is a British academic specialising in Shakespeare and film studies.

In 1993-1994, during the course of her postgraduate studies in early modern literature specialising in Shakespeare in performance at the University of Oxford, Buchanan went as a Fulbright Scholar to study film in New York, United States.

[2][3] In 2011, she was made Professor of Film and Literature at York and Director of the Humanities Research Centre.

[4][5] In 2016, Buchanan wrote and presented the BBC Radio 4 documentary An Excellent Dumb Discourse: Shakespeare in Silence.

For the 2018 British feature film release of Macbeth, she acted as co-adapter and Shakespeare advisor.