Air Marshal Melvin Ernest Glanville Hupfeld, (born 7 March 1962) is a senior officer in the Royal Australian Air Force.
He served as Air Commander Australia from 2012 to 2014 and was the acting and final Chief Capability Development Group (2015–16), before being appointed as Head Force Design in the Vice Chief of the Defence Force Group (2016–18).
He was promoted air marshal and made Chief of Joint Operations in May 2018, and succeeded Air Marshal Leo Davies as Chief of Air Force in July 2019.