Ronald Clive "Ron" McCallum AO (born 8 October 1948) is an Australian legal academic.
He is an expert in labour law, and has served as a professor and dean of law at the University of Sydney.
He is the first totally blind person to be appointed to a full professorship in any subject at any university in Australia or New Zealand, as well as the first to become a Dean of Law in these countries.
He chairs the United Nations Committee on the Rights of Persons with Disabilities in Geneva.