Major General Roger John Noble, AO, DSC, CSC (born 16 March 1966) is a retired senior Australian Army officer and diplomat.

He commanded the 2nd Cavalry Regiment (c. 2004–05), Al Muthanna Task Group (2005) and the 3rd Brigade (2013–15), and deployed six times on operations to East Timor, Afghanistan and Iraq.

[2][3] In 2001, Noble was deployed to East Timor for service with the United Nations Transitional Administration, being appointed the Operations Officer for Sector West.

Noble was awarded a Conspicuous Service Cross in the 2004 Queen's Birthday Honours in recognition of his "outstanding achievement" in this and earlier staff postings.

[10][11] Noble was seconded to the United States Army in 2016 and deployed with the 101st Airborne Division as Deputy Coalition Land Force Commander, Iraq, as part of Operation Inherent Resolve.

[2][12] In this post, Noble was subordinate to Major General Gary J. Volesky and effectively second-in-command of Coalition forces supporting the Iraqi Army in the war against the Islamic State.

Noble swapped positions with Rear Admiral Jaimie Hatcher in September 2019, becoming Head Military Strategic Commitments within the Vice Chief of Defence Force Group.

[18] Shortly after, on 18 February, the Minister for Foreign Affairs, Marise Payne, announced Noble's appointment as Australia's next Ambassador for Counter-Terrorism.