Dexter Colboyd Dunphy AM FASSA, (born 1934) is an Australian academic.
[1] Dunphy joined the faculty of the University of New South Wales.
[1] Dunphy later joined the faculty of University of Technology Sydney.
[1] In 1972, Dunphy delivered the annual series of Australian Broadcasting Corporation Boyer Lectures on "The Challenge of Change".
Dunphy was appointed a Member of the Order of Australia in 2007 for "service to education, particularly in the fields of organisational change, corporate sustainability and business management, and to the community".