| Honorific Prefix: | Sir |
| Successor1: | Sir George Paton |
| Office1: | Vice-Chancellor, University of Melbourne |
| Predecessor1: | Sir Raymond Priestly |
| John Medley | |
| Birth Date: | 19 April 1891 |
| Birth Name: | John Dudley Gibbs Medley |
| Birth Place: | Oxford, England |
| Death Place: | Harkaway, Victoria, Australia |
| Blank1: | Awards |
Sir John Dudley Gibbs Medley was an Australian businessman and administrator. He held the position of Vice-Chancellor at the University of Melbourne from 1938 to 1951.[1]
Medley was born on 19 April 1891 in Oxford, England to Dudley Julius Medley and Isabel Alice Medley (née Gibbs). He was the eldest of seven children.
Medley was commissioned in 1914 in the 6th (Glamorgan) Battalion, Welch Regiment. He later served as a railway transport officer in France and Belgium.
Medley was appointed Vice-Chancellor of the University of Melbourne on 1 July 1938, and oversaw the administration and leadership of the university through World War II.
In 1971, the John Medley Building at the University of Melbourne, Parkville Campus was named in Medley's honour.[2]
Medley Hall, the smallest residential college of the University of Melbourne, was named in Medley's honour in 1955.[3]