Major General Julian Harold Atherdean Thompson, CB, OBE (7 October 1934 –) is a military historian and former Royal Marines officer who as a brigadier commanded 3 Commando Brigade during the Falklands war.
Thompson, who was British commander on the islands during the final phase of the conflict has written extensively on the Falklands conflict and British military history. He is also a visiting professor at the department of War Studies, King's College, University of London.