The Department of War Studies (DWS) is an academic department in the School of Security Studies within the Faculty of Social Science & Public Policy at King's College London in London, United Kingdom. Along with other politics and international studies units at King's College London, it ranks amongst the top places for international relations in the world. For international relations in the UK, which is taught within the War Studies Department and the Department of European & International Studies, King's ranks second nationally. The department is devoted to the multi-disciplinary study of war and diplomacy within the broad remit of international relations. It remains one of the only academic departments in the world that can be described as such.

Lieutenant General Sir Robert Alan Fry, served as a Royal Marine for over 30 years and was involved in military operations in Northern Ireland, the Gulf, Kosovo, Iraq and Afghanistan. After retirement from military service he went into private business and, in 2007, became CEO of Hewlett Packard's defence and security business in Europe, the Middle East and Africa. In 2010 he was appointed chairman of McKinney Rogers International and subsequently, in 2011, Albany Associates.