Lieutenant General Gregory Charles Bilton, AO, CSC (born 2 March 1965) is a retired senior officer of the Australian Army.

[1][2] In recognition of his "outstanding achievement" in a number of staff appointments, then Lieutenant Colonel Bilton was awarded the Conspicuous Service Cross in the 2004 Australia Day Honours.

[3] In 2008, Bilton was posted to Afghanistan as Deputy Chief of Staff for Security Sector Reform in Regional Command South.

[1][2] Following his return to Australia, Bilton was posted as Director General Development and Plans (Army) and later appointed to command the 7th Brigade.

[1] Bilton was promoted lieutenant general in June 2019 and succeeded Air Marshal Mel Hupfeld as Chief of Joint Operations on 1 July.