Donald Cameron Watt (17 May 1928 – 30 October 2014) was a British historian.

Donald Cameron Watt was a chorister in the Choir of King's College, Cambridge, and then was educated at Rugby School.

[1][2] He read Philosophy, Politics and Economics at Oriel College, Oxford, graduating from Oxford University with a bachelor's degree in 1951.

[1] Watt served as a Professor of International History at the London School of Economics,[2] where he served as the Head of the Department and Stevenson Chair of International History from 1981 to 1993.

[1] Watt edited Survey of International Affairs at Chatham House from 1962 to 1971.